NPC

From The Evony Wiki ::The Free Forever Massive Multi Player Real Time Strategy Game

A NPC is a Non-Player City, also known as a Barbarian's Town. They do not belong to any alliance and have special uniform regenerative properties. The level of NPCs indicate the level of defensive strength and maximum amount of resources found within.

NPC Loot and Transports Needed by Level

Note: The research Privateering does not alter the amount of loot you will gain from hitting Barbarian towns, as they do not contain a warehouse.

The numbers below assume 0 capacity from other troops to bring back plunder. Even Ballistas can bring back some plunder if the NPC is not far away from the attacking city. For example, an NPC 5 that is 1 mile away can be plundered completely with 397 Transporters and 300 Ballistas when Logistics level is 10, and you use a Hero with Attack attribute 140 or greater. An NPC 7 that is 1 mile away can be plundered completely with 580 Transporters when 84K Archers with rainbow are sent with the Transporters and less than 10K troops are casualties.

NPC Troop Count per Level

Town structure & Contents

Each NPC contains buildings that are all the same as its level, (ie. all level 1 npcs have all level 1 buildings). Each NPC contains an academy, forge, embassy, workshop, feasting hall, stable, inn, rally spot, barracks, relief station, beacon tower, and twenty cottages. Resource fields consist of one sawmill, ironmine, and quarry, and the rest of the fields are farms. NPCs do not have warehouses.

Note: These numbers are subject to change. For example, a Level 5 NPC now only has 450,000 gold.

NPC Behavior

Attack / Aggression

Barbarian Towns don't ever attack cities. However, if you try transporting to someone of much higher prestige, there is a chance of your transport caravan getting attacked by barbarians. If they succeed, your transport caravan will be taken out, whether it be transporters or warriors and so on. They may all be killed and the resources will be taken. Often exactly half of the troops and resources will be taken. You will be notified of this in a plunder report listed in black text.

Regeneration

It takes an NPC 8 hours to regenerate all of its resources.

It takes an NPC 1 hour to regenerate all of its defenses, troops and fortifications, at a rate of 10% every six minutes (the same six minute mark that your taxes are collected).

NPC Farming

NPC farming is the process of harvesting the benefits of attacking NPCs. NPCs yield two kinds of benefits: experience and resources. The specifics of the NPC farming process are covered in the section Plundering NPCs.

For maximum yield and efficiency, you will want to have as many zero-loss NPCs as close to your city as possible, to minimize the time wasted due to unit movement. For stronger players, having very high level NPCs close by produces very high returns at a predictable and efficient rate of loss. Building new NPCs is an option for cities with nearby flats.

Farming NPCs for experience

Higher level NPCs are like steriods for heroes. Since defeating NPCs gives your hero experience, and experience allows advancement in level, and advancement in level results in additional attribute bonuses, it is appropriate for all heroes to be developed through NPC farming.

Since NPCs fully regenerate their fortifications every hour, they can be attacked 24 times a day if you want to gain maximum experience for your hero.

Farming NPC's for prestige

you can farm NPC's for prestige by attacking them with warriors you will gain a few hundred prestige (from low leveled npc's) to over 15k prestige (high leveled npc's). I recommend this formula for the number of warriors to use:(npc level)* 11000/(hero Att/100)exept for level 9-10 npc's where the formula is :(npc level)* 11000/(hero Att/150)

Farming NPCs for Resources

NPCs are the grocery stores of Evony. Think of transporters as your shopping cart, and ballista as your charge card that, if used correctly, never runs out.

Since NPCs regenerate all their resources in 8 hours, they can be farmed for full yield 3 times a day.

Npc can acutally be attacked 4 times a day - after the server maintenece it fills up npc's so if you get an attack ready to hit just before and then straight after the maintenance this enables you to do it 4 times a day!!!!

Building new NPCs

See the main article Build City

You can build new NPCs if you are able to build a new town. An NPC is nothing more than an abandoned player city. The level of the NPC will depend on the level of flat it was before you took it over.. Say the Flat was a level 10, once abandoned the town would turn into a level 10 NPC.

Plundering NPCs

Lower level NPCs (1-5) can be plundered without losses by sending only a minimum number of ballista units for a given the level of NPC. Rainbowing (adding one or more of other troops in the attack force) for these NPCs isn't suggested since they'll just die on the first round against the NPC traps and abatis. If a battles reaches 100 rounds, you will be declared the loser and sent home with nothing, even if you have taken no losses.

Higher level NPCs (6+) will always incur some losses.

Since NPCs regenerate all their resources in 8 hours, they can be farmed for full yield 4 times a day as they also regenerate resources after maintenance so time the attacks right just before and after the maintenance.

Since NPCs fully regenerate their fortifications every hour, they can be attacked 24 times a day if you want to gain maximum experience for your hero.

Minimum Number of Ballistas

See Chart of safe numbers of ballista to use against NPCs
See Reports for Archery vs. Horseback Riding Levels

The actual minimum number of ballista needed for zero loss depends on your combination of Archery, Horseback Riding, and Military Tradition levels, and also your hero attack attribute.

• As hero attack increases, the minimum number of units needed decreases.
• A minimum archery level is needed for zero loss. As the attacker's archery level increases, so does the range of the ballista. The ballista need to shoot farther than the defending archer's towers.
• As horseback riding level increases, so does the speed of the ballista. If the ballista advance too fast, they come into range of the defending archer's towers before eliminating them.
• Do not let your Horseback Riding level get higher than your Archery level or your ballista will move into range of the Archer's Towers before the towers can be destroyed. For a quick reference, see the Reports for Archery vs. Horseback Riding Levels
• Level 5 NPCs are much more sensitive to the Archery to Horseback Riding level ratio than level 1-4 NPCs.
• If you upgrade to HBR level 10, you need a lot more ballista to win without losses. I had to multiply my previously used (level 9) numbers by 2.5.

Reports for safe numbers of Ballista

See also NPC Ballista Count

This section is reserved for reporting the fewest ballistas used to successfully attack a Barbarian (NPC) Town with no losses.

• When adding reports, please mention the number of rounds the fight took, your Archery level, horseback riding level, military tactics level, and hero attack value.
• Please do NOT report attacks using War Horn, Corselet, or other special influence.
• Reports are sorted by the order that the factors appear.

Lower level NPCs

Level 1

Hero will gain 1,414 in experience.

Archery 6
- 18 Ballista HBR 5, MT 5, Hero ATT 52  ( 0 losses, 49 rounds ) 
- 20 Ballista HBR 0, MT 2, Hero ATT 85  ( 0 losses, 50 rounds )
- 20 Ballista HBR 5, MT 4, Hero ATT 74  ( 0 losses, 47 rounds )
- 20 Ballista HBR 5, MT 4, Hero ATT 65  ( 0 losses, 47 rounds )
- 20 Ballista HBR 5, MT 4, Hero ATT 60  ( 0 losses, 47 rounds )
- 21 Ballista HBR 5, MT 4, Hero ATT 68  ( 0 losses, 48 rounds )
- 30 Ballista HBR 2, MT 5, Hero ATT 59  ( 0 losses, 45 rounds )
- 35 Ballista HBR 2, MT 4, Hero ATT 60  ( 0 losses, 44 rounds )
- 35 Ballista HBR 6, MT 4, Hero ATT 52  ( 0 losses, 41 rounds )
- 50 Ballista HBR 1, MT 2, Hero ATT 73  ( 0 losses, 41 rounds )
- 71 Ballista HBR 7, MT 7, Hero ATT 125 ( 0 losses, 31 rounds )
 
Archery 7
- 10 Ballista HBR 5, MT 6, Hero ATT 70 ( 0 losses, 63 rounds )
- 15 Ballista HBR 6, MT 6, Hero ATT 34 ( 0 losses, 53 rounds )
- 20 Ballista HBR 8, MT 8, Hero ATT 66 ( 0 losses, 40 rounds )
- 23 Ballista HBR 2, MT 2, Hero ATT 71 ( 0 losses, 49 rounds )
- 15 Ballista HBR 5, MT 7, Hero ATT 78 ( 0 losses, 51 rounds )
- 30 Ballista HBR 5, MT 7, Hero ATT 71 ( 0 losses, 41 rounds ) 
- 40 Ballista HBR 5, MT 7, Hero ATT 72 ( 0 losses, 37 rounds )
- 33 Ballista HBR 4, MT 6, Hero ATT 63 ( 0 losses, 42 rounds )
Archery 8
- 20 Ballista HBR 5, MT 6, Hero ATT 64 ( 0 losses, 46 rounds ) 
- 13 Ballista HBR 6, MT 7, Hero ATT 24 ( 0 losses, 60 rounds )
- 18 Ballista HBR 7, MT 6, Hero ATT 93 ( 0 losses, 40 rounds )
- 10 Ballista HBR 7, MT 8, Hero ATT 69 ( 0 losses, 52 rounds )
- 20 Ballista HBR 8, MT 7, Hero ATT 57 ( 0 losses, ?? rounds )
- 19

Ballista HBR 8, MT 8, Hero ATT 57 ( 0 losses, ?? rounds )

Archery 9
- 20 Ballista HBR 5, MT 4, Hero ATT 42 ( 0 losses, ?? rounds )
- 32 Ballista HBR 8, MT 9, Hero ATT 38 ( 0 losses, 37 rounds )
- 08 Ballista HBR 8, MT 9, Hero ATT 69 ( 3 losses, 83 rounds )
- 5  Ballista HBR 8, MT 10, Hero ATT 113 ( 5 losses, ?? rounds)

Archery 10

- 28 Ballista HBR 9, MT 9, Hero ATT 148 ( 0 losses, 25 rounds )

Level 2

Hero will gain 2,214 in experience.

Archery 6
- 50 Ballista HBR 2, MT 5, Hero ATT 58  ( 0 losses, 54 rounds )
- 50 Ballista HBR 6, MT 4, Hero ATT 75  ( 0 losses, 48 rounds )
- 40 Ballista HBR 6, MT 4, Hero ATT 76  ( 0 losses, 52 rounds )
- 69 Ballista HBR 5, MT 4, Hero ATT 80  ( 0 losses, 44 rounds )
- 81 Ballista HBR 7, MT 7, Hero ATT 125 ( 0 losses, 37 rounds )
- 123 Ballista + 399 Catapults HBR 1, MT 3, Hero ATT 81 ( 0 losses, 41 rounds )

Archery 7
- 36 Ballista HBR 5, MT 5, Hero ATT 68 ( 0 losses, 57 rounds )
- 35 Ballista HBR 6, MT 4, Hero ATT 64 ( 0 losses, 57 rounds )
- 35 Ballista HBR 6, MT 4, Hero ATT 76 ( 0 losses, 56 rounds )
- 20 Ballista HBR 8, MT 8, Hero ATT 94 ( 0 losses, 66 rounds )

Archery 8
- 20 Ballista HBR 4, MT 8, Hero ATT 88 ( ? losses, 71 rounds )
- 20 Ballista HBR 6, MT 6, Hero ATT 109( 0 Losses, 67 rounds )Z
- 20 Ballista HBR 7, MT 6, Hero ATT 93 ( 0 losses, 61 rounds )
- 35 Ballista HBR 6, MT 8, Hero ATT 44 ( 0 losses, 56 rounds )
- 40 Ballista HBR 6, MT 8, Hero ATT 31 ( 0 losses, 55 rounds )
- 50 Ballista HBR 8, MT 6, Hero ATT 38 ( 0 losses, ?? rounds )
- 60 Ballista HBR 4, MT 9, Hero ATT 69 ( 0 losses, 42 rounds )

Archery 9
- 65 Ballista HBR 5, MT 8, Hero ATT 44 ( 0 losses, 42 rounds )
- 80 Ballista HBR 8, MT 9, Hero ATT 37 ( 0 losses, 37 rounds )
- 45 Ballista BHR 8, MT 9, Hero ATT 78 ( 0 losses, 42 rounds )
- 20 Ballista HBR 9, MT 9, Hero ATT 83 ( 0 losses, 65 rounds )

Level 3

Hero will gain 40,602 in experience.

Archery 6
- 108 Ballista HBR 7, MT ?, Hero ATT 95 ( 0 loss, 93 rounds)
- 109 Ballista HBR 7, MT ?, Hero ATT 78 ( 0 loss, 97 rounds)
- 127 Ballista HBR 6, MT ?, Hero ATT 93 ( 0 loss, 85 rounds)
- 130 Ballista HBR 3, MT 5, Hero ATT 76 ( 0 loss, 92 rounds)
- 200 Ballista HBR 4, MT ?, Hero ATT 46 ( 0 loss, ?? rounds)

Archery 7
- 100 Ballista HBR 7, MT 7, Hero ATT 74 ( 0 losses, 100 rounds) (Failed)
- 100 Ballista HBR 8, MT 8, Hero ATT 94 ( 0 losses, 94 rounds )
- 110 Ballisat HBR 5, MT 4, Hero ATT 66 ( 0 losses, 100 rounds) (Failed)
- 116 Ballista HBR 6, MT 7, Hero ATT 80 ( 0 losses, 92 rounds )
- 120 Ballista HBR 5, MT 4, Hero ATT 66 ( 0 losses, 98 rounds )
- 120 Ballista HBR 5, MT 5, Hero ATT 76 ( 0 losses, 94 rounds )
- 120 Ballista HBR 5, MT 5, Hero ATT 78 ( 0 losses, 94 rounds )
- 125 Ballista HBR 5, MT 8, Hero ATT 69 ( 0 losses, 90 rounds )
- 130 Ballista HBR 7, MT 7, Hero ATT 74 ( 0 losses, 84 rounds )
- 140 Ballista HBR 8, MT 7, Hero ATT 51 ( 0 losses, 87 rounds )
- 150 Ballista HBR 4, MT 7, Hero ATT 83 ( 0 losses, 99 rounds )
- 150 Ballista HBR 5, MT 7, Hero ATT 85 ( 0 losses, 76 rounds )
- 150 Ballista HBR 6, MT 4, Hero ATT 80 ( 0 losses, 82 rounds ) 
- 158 Ballista HBR 6, MT 4, Hero ATT 65 ( 0 losses, 82 rounds )
- 180 Ballista HBR 6, MT 6, Hero ATT 79 ( 0 losses, 70 rounds )
- 193 Ballista HBR 6, MT 6, Hero ATT 58 ( 0 losses, 53 rounds )
- 215 Ballista HBR 5, MT 2, Hero ATT 49 ( 0 losses, 76 rounds )
- 300 Ballista HBR 2, MT 2, Hero ATT 70 ( 0 losses, 84 rounds )
- 399 Ballista HBR 3, MT 8, Hero ATT 43 ( 0 losses, 52 rounds )

Archery 8
- 100 Ballista HBR 5, MT ?, Hero ATT 84 ( 0 losses, ?? rounds )
- 150 Ballista HBR 5, MT 6, Hero ATT 085( 0 losses, 77 rounds )
- 095 Ballista HBR 6, MT 6, Hero ATT 109( 0 losses, 96 rounds )Z
- 120 Ballista HBR 6, MT 7, Hero ATT 83 ( 0 losses, 88 rounds )
- 100 Ballista HBR 6, MT 4, Hero ATT 52 ( 0 losses, 100 rounds) Defeat
- 100 Ballista HBR 6, MT 4, Hero ATT 80 ( 0 losses, 100 rounds) Defeat
- 140 Ballista HBR 6, MT 8, Hero ATT 32 ( 0 losses, 92 rounds )
- 100 Ballista HBR 7, MT 6, Hero ATT 57 ( 0 losses, 100 rounds) Defeat
- 100 Ballista HBR 7, MT 7, Hero ATT 78 ( 0 losses, 100 rounds) Defeat
- 099 Ballista HBR 7, MT 7, Hero ATT 94 ( 0 losses, 83 rounds )
- 140 Ballista HBR 7, MT 8, Hero ATT 37 ( 0 losses, 90 rounds )
- 140 Ballista HBR 7, MT 8, Hero ATT 33 ( 0 losses, 91 rounds )
- 150 Ballista HBR 7, MT 8, Hero ATT 38 ( 0 losses, 86 rounds ) 
- 159 Ballista HBR 8, MT 7, Hero ATT 76 ( 0 losses, ?? rounds )
- 155 Ballista HBR 8, MT 7, Hero ATT 82 ( 0 losses, ?? rounds ) 
- 110 Ballista HBR 6, MT 8, Hero ATT 71 ( 0 losses, 95 rounds ) 
- 125 Ballista HBR 6, MT 8, Hero ATT 80 ( 0 losses, 76 rounds )
- 125 Ballista HBR 4, MT 6, Hero ATT 71 ( 0 losses, 76 rounds ) Jiggy
- 123 Ballista HBR 4, MT 7, Hero ATT 74 ( 0 losses, 90 rounds )
- 123 Ballista HBR 4, MT 7, Hero ATT 75 ( 0 losses, 93 rounds )

Archery 9
- 150 Ballista HBR 5, MT 8, Hero ATT 70 ( 0 losses, 80 rounds )
- 140 Ballista HBR 6, MT 9, Hero ATT 59 ( 0 losses, 84 rounds )
- 125 Ballista HBR 7, MT 9, Hero ATT 41 ( 0 losses, 94 rounds )
- 125 Ballista HBR 7, MT 9, Hero ATT 58 ( 0 losses, 87 rounds )
- 150 Ballista HBR 7, MT 9, Hero ATT 58 ( 0 losses, 80 rounds )
- 300 Ballista HBR 7, MT 9, Hero ATT 113 ( 0 losses, 49 rounds)
- 400 Ballista HBR 7, MT 9, Hero ATT 84 ( 0 losses, 45 rounds )
- 115 Ballista HBR 8, MT 9, Hero ATT 37 ( 0 losses, 100 rounds) ( Failed )
- 130 Ballista HBR 8, MT 9, Hero ATT 37 ( 0 losses, 90 rounds )

Archery 10
- 105 Ballista HBR 8, MT 9, Hero ATT 99 ( 0 losses, 85 rounds )
- 150 Ballista HBR 7, MT 9, Hero ATT 38 ( 0 losses, 82 rounds )
- 130 Ballista HBR 9, MT 10, Hero ATT 36 ( 0 losses, 89 rounds )
- 125 Ballista HBR 9, MT 10, Hero ATT 42 ( 0 losses, 80 rounds )

Level 4

Hero will gain 41,770 experience.

Archery 6
- 250 Ballista HBR 5, MT 6, Hero ATT 075: total loss! Do not try!
- 250 Ballista HBR 7, MT 7, Hero ATT 051: total loss! Do not try!
- 472 Ballista HBR 7, NT 7, Hero ATT 125: total loss! Do not try!
- 900 Ballista HBR 6, MT 7, Hero ATT 072, repeated with no loss.

Archery 7
- 165 Ballista HBR 6, MT 6, Hero ATT 034 ( 0 losses, 93 rounds )
- 200 Ballista HBR 6, MT 4, Hero ATT 071 ( 0 losses, 78 rounds )
- 250 Ballista HBR 2, MT 2, Hero ATT 058 ( 18 losses, 83 rounds )
- 250 Ballista HBR 4, MT 5, Hero ATT 078 ( 0 losses, 62 rounds ) - with war horn 
- 250 Ballista HBR 4, MT 5, Hero ATT 081 ( 26 losses, 70 rounds )
- 289 Ballista HBR 4, MT 5, Hero ATT 085 ( 0 losses, 62 rounds )
- 270 Ballista HBR 8, MT 7, Hero ATT 124 ( 0 losses, ?? rounds )
- 290 Ballista HBR 5, MT 6, Hero ATT 084 ( 0 losses, 61 rounds )
- 300 Ballista HBR 7, MT 7, Hero ATT 074 ( 0 losses, 57 rounds )
- 300 Ballista HBR 2, MT 2, Hero ATT 073 ( 24 losses, 72 rounds )
- 300 Ballista HBR 5, MT 3, Hero ATT 083 ( 24 losses, 65 rounds ) 
- 304 Ballista HBR 6, MT 4, Hero ATT 088 ( 0 losses, 58 rounds )
- 317 Ballista HBR 5, MT 5, Hero ATT 058 ( 0 losses, 62 rounds )
- 350 Ballista HBR 2, MT 3, Hero ATT 077 ( 0 losses, 59 rounds )

Archery 8
- 333 Ballista HBR 3, MT 2, Hero ATT 076 ( 0 losses, 62 rounds )
- 250 Ballista HBR 5, MT 8, Hero ATT 065 ( 0 losses, ?? rounds )
- 200 Ballista HBR 6, MT 6, Hero ATT 071 ( 0 losses, 73 rounds )
- 145 Ballista HBR 6, MT 6, Hero ATT 109 ( 0 losses, 81 rounds )
- 200 Ballista HBR 5, MT 7, Hero ATT 052 ( 0 losses, 78 rounds )
- 150 Ballista HBR 6, MT 7, Hero ATT 080 ( 0 losses, 84 rounds )
- 180 Ballista HBR 6, MT 7, Hero ATT 078 ( 0 losses, 75 rounds )
- 146 Ballista HBR 6, MT 7, Hero ATT 097 ( 0 losses, 82 rounds )
- 163 Ballista HBR 6, MT 8, Hero ATT 101 ( 0 losses, 69 rounds ) M
- 200 Ballista HBR 6, MT 9, Hero ATT 024 ( 0 losses, 82 rounds )
- 300 Ballista HBR 7, MT 7, Hero ATT 080 ( 0 losses, 54 rounds )
- 175 Ballista HBR 7, MT 8, Hero ATT 092 ( 0 losses, 74 rounds )
- 200 Ballista HBR 7, MT 8, Hero ATT 102 ( 0 losses, 64 rounds )
- 235 Ballista HBR 8, MT 7, Hero ATT 076 ( 0 Losses, ?? rounds )
- 200 Ballista HBR 8, MT 7, Hero ATT 088 ( 0 losses, 69 rounds )
- 160 Ballista HBR 8, MT 9, Hero ATT 069 ( 0 losses, 81 rounds )
- 184 Ballista HBR 5, MT 10, Hero ATT 082 ( 0 losses, 73 rounds ) [1]
- 195 Ballista HBR 4, MT 7, Hero ATT 037 ( 0 losses, 84 rounds )

Archery 9
- 160 Ballista HBR 5, MT 8, Hero ATT 100 ( 0 losses, ?? Rounds )
- 125 Ballista HBR 6, MT 7, Hero ATT 109 ( 0 losses, ?? Rounds )
- 143 Ballista HBR 6, MT 8, Hero ATT 070 ( 0 losses, ?? Rounds )
- 220 Ballista HBR 7, MT 7, Hero ATT 084 ( 0 losses, 65 Rounds )
- 160 Ballista HBR 6, MT 9, Hero ATT 039 ( 0 losses, 89 Rounds )
- 250 Ballista HBR 8, MT 9, Hero ATT 069 ( 0 losses, 59 Rounds )
- 180 Ballista HBR 8, MT 9, Hero ATT 076 ( 0 losses, 73 Rounds )
- 105 Ballista HBR 8, MT 9, Hero ATT 105 ( 0 losses, 95 Rounds )
- 245 Ballista HBR 9, MT 8, Hero ATT 027 ( 0 losses, 70 Rounds )
- 235 Ballista HBR 9, MT 9, Hero Att 021 ( 0 losses, 72 Rounds )
- 170 Ballista HBR 9, MT 9, Hero ATT 083 ( 0 losses, 74 Rounds )
- 105 Ballista HBR 9, MT 9, Hero ATT 112 ( 0 losses, 93 Rounds )

Archery 10
- 180 Ballista HBR 7, MT 07, Hero ATT 085 ( 0 losses, 69 Rounds )
- 180 Ballista HBR 8, MT 09, Hero ATT 095 ( 0 losses, 69 Rounds )
- 180 Ballista HBR 9, MT 09, Hero ATT 075 ( 0 losses, ?? Rounds )
- 180 Ballista HBR 9, MT 10, Hero ATT 040 ( 0 losses, 79 Rounds )
- 150 Ballista HBR 9, MT 10, Hero ATT 096 ( 0 Losses, 75 Rounds )
- 125 Ballista HBR 9, MT 10, Hero ATT 096 ( 0 Losses, 85 Rounds )
- 100 Ballista HBR 9, MT 10, Hero ATT 100 ( 0 losses, ?? Rounds )
- 90 Ballista HBR 9, MT 10, Hero ATT 099 ( 0 Losses, 100 Rounds )  <--  Defeat, Battle Reached 100 Rounds.
- 95 Ballista HBR 9, MT 10, Hero ATT 099 ( 0 Losses, 99 Rounds )  <--  Minimum Ballista Number for Hero ATT 99 = 95

Level 5

This is regarded as the best "bang for your buck" NPC city as it gives the most resources without losses. Please note that Level 5 NPCs are much more sensitive to your Archery to Horseback Riding ratio. Hero will gain about 90k (93,212) experience.

Archery 8 - UNRELIABLE (depending on enemy hero)
- 754 Ballista HBR 8, MT 8, Hero ATT 071 ( ?? rounds, TOTAL loss)
- 646 Ballista HBR 3, MT 7, Hero ATT 089 ( 55 rounds, TOTAL loss)
- 600 Ballista HBR 3, MT 7, Hero ATT 089 ( 55 rounds, TOTAL loss)
- 559 Ballista HBR 3, MT 2, Hero ATT 077 ( 72 rounds, 44 losses ) 
- 400 Ballista HBR 4, MT 7, Hero ATT 076 ( 84 rounds, 55 losses )
- 400 Ballista HBR 5, MT 5, Hero ATT 088 ( 71 rounds, no losses )
- 400 Ballista HBR 5, MT 5, Hero ATT 087 ( 74 rounds, no losses )
- 300 Ballista HBR 5, MT 7, Hero ATT 101 ( 97 rounds, 61 losses )
- 320 Ballista HBR 5, MT 7, Hero ATT 101 ( 77 rounds, no losses )
- 400 Ballista HBR 5, MT 7, Hero ATT 080 ( 73 rounds, no losses )
- 350 Ballista HBR 5, MT 7, Hero ATT 080 ( 93 rounds, 60 losses )
- 460 Ballista HBR 5, MT 7, Hero ATT 101 ( 64 rounds, no losses )
- 430 Ballista HBR 5, MT 7, Hero ATT 087 ( 61 rounds, no losses )
- 465 Ballista HBR 5, MT 9, Hero ATT 100 ( 62 rounds, no losses )
- 476 Ballista HBR 5, MY 7, Hero ATT 096 ( 64 rounds, no losses )
- 370 Ballista HBR 6, MT 6, Hero ATT 110 ( 72 rounds, no losses ) Z
- 498 Ballista HBR 6, MT 8, Hero ATT 105 ( 60 rounds, no losses ) M
- 350 Ballista HBR 6, MT 8, Hero ATT 108 ( 72 Rounds, no losses )
- 350 Ballista HBR 6, MT 8, Hero ATT 086 ( 85 rounds, 42 losses )
- 360 Ballista HBR 6, MT 8, Hero ATT 097 ( 72 rounds, no losses )
- 350 Ballista HBR 6, MT 8, Hero ATT 096 ( 75 rounds, no losses )
- 425 Ballista HBR 6, MT 7, Hero ATT 100 ( 67 rounds, no losses )
- 420 Ballista HBR 6, MT 9, Hero ATT 084 ( 67 rounds, no losses )
- 450 Ballista HBR 6, MT 9, Hero ATT 081 ( 65 rounds, no losses )
- 500 Ballista HBR 6, MT ?, Hero ATT 071 ( 64 rounds, no losses )
- 450 Ballista HBR 7, MT 8, Hero ATT 092 ( 69 rounds, 40 losses )
- 550 Ballista HBR 5, MT 5, Hero ATT 011 ( 80 rounds, no losses ) <-- safely leveling up research hero with HBR 5
- 550 Ballista HBR 6, MT 5, Hero ATT 011 ( 89 rounds, 69 losses ) <-- more rounds with losses. same hero with HBR 6
- 511 Ballista HBR 7, MT 8, Hero ATT 102 ( 61 rounds, 44 losses ) <-- outside safe tech level ratio
- 550 Ballista HBR 8, MT 8, Hero ATT 085 ( ?? rounds, Total loss) <- outside safe tech level ratio
- 700 Ballista HBR 8, MT 8, Hero ATT 105 ( 47 rounds, TOTAL LOSS) <-- Outside safe tech ratio
- 550 Ballista HBR 8, MT 9, Hero ATT 107 ( 48 rounds, TOTAL LOSS) <-- Outside safe tech ratio

Archery 9
- 500 Ballista HBR 5, MT 07, Hero ATT 080 ( 69 Rounds, 42 Losses) <-- Outside safe tech ratio
- 550 Ballista HBR 5, MT 09, Hero ATT 093 ( ?? Rounds, 50 Losses) <-- Outside safe tech ratio
- 598 Ballista HBR 6, MT 08, Hero ATT 106 ( 57 Rounds, 44 Losses) <-- Outside safe tech ratio
- 800 Ballista HBR 7, MT 09, Hero ATT 103 ( 49 rounds, 43 Losses) <-- Outside safe tech ratio (JDH)
- 700 Ballista HBR 7, MT 09, Hero ATT 102 ( 53 rounds, 49 Losses) <-- Outside safe tech ratio (JDH)
- 752 Ballista HBR 7, MT 09, Hero ATT 106 ( 50 rounds, 36 Losses) <-- Outside safe tech ratio
- 1000 Ballista HBR 7, MT 09, Hero ATT 110 ( 44 rounds, 34 Losses) <-- Outside safe tech ratio (JDH)
- 350 Ballista HBR 8. MT 07, Hero ATT 023 ( 100 rounds, 35 Losses) <-- DEFEAT! (JJO)
- 600 Ballista HBR 8, MT 07, Hero ATT 023 ( 68 rounds, 00 Losses)
- 450 Ballista HBR 8, MT 07, Hero ATT 095 ( 64 rounds, 00 losses)
- 444 Ballista HBR 8, MT 07, Hero ATT 085 ( 63 rounds, 00 losses)
- 460 Ballista HBR 8, MT 09, Hero ATT 083 ( 64 rounds, 00 Losses)
- 350 Ballista HBR 8, MT 08, Hero ATT 079 ( 78 Rounds, 00 Losses)
- 350 Ballista HBR 8, MT 08, Hero ATT 085 ( 76 Rounds, 05 losses)
- 325 Ballista HBR 8, MT 09, Hero ATT 105 ( 76 Rounds, 00 Losses)
- 310 Ballista HBR 8, MT 09, Hero ATT 105 ( 79 Rounds, 10 Losses)
- 350 Ballista HBR 9, MT 08, Hero ATT 071 ( 79 Rounds, 06 Losses)
- 350 Ballista HBR 9, MT 08, Hero ATT 083 ( 75 Rounds, 00 Losses)
- 310 Ballista HBR 9, MT 10, Hero ATT 117 ( 75 Rounds, 05 Losses)
- 325 Ballista HBR 9, MT 09, Hero ATT 111 ( 74 Rounds, 00 Losses)
- 325 Ballista HBR 9, MT 09, Hero ATT 112 ( 72 Rounds, 00 Losses)
- 350 Ballista HBR 9, MT 09, Hero ATT 087 ( 75 Rounds, 00 Losses)

Archery 10
- 350 Ballista HBR 05, MT 10, Hero ATT 044 ( 89 rounds, 20 losses)---+ 
- 310 Ballista HBR 05, MT 10, Hero ATT 088 ( 81 rounds, 2 losses)    | 
- 310 Ballista HBR 05, MT 10, Hero ATT 092 ( 80 rounds, 0 losses)    |
- 350 Ballista HBR 05, MT 10, Hero ATT 093 ( 75 rounds, 1 loss )     |
- 350 Ballista HBR 05, MT 10, Hero ATT 097 ( 75 rounds, 1 loss )     |
- 310 Ballista HBR 05, MT 10, Hero ATT 098 ( 80 rounds, 4 losses )   | 
- 350 Ballista HBR 05, MT 10, Hero ATT 099 ( 74 rounds, 0 losses )   | 
- 310 Ballista HBR 05, MT 10, Hero ATT 102 ( 78 rounds, 0 losses )   | 
- 310 Ballista HBR 05, MT 10, Hero ATT 103 ( 80 rounds, 9 losses )   |     HBR this low? 
- 310 Ballista HBR 05, MT 10, Hero ATT 108 ( 78 rounds, 0 losses )   |--- Use more ballistas than this.
- 310 Ballista HBR 05, MT 10, Hero ATT 109 ( 78 rounds, 8 losses )   |    The fewer ballistas you use,
- 310 Ballista HBR 05, MT 10, Hero ATT 110 ( 78 rounds, 0 losses )   |     the more of a difference
- 400 Ballista HBR 06, MT 07, Hero ATT 101 ( 69 rounds, 0 losses )   |     the defending hero makes.
- 331 Ballista HBR 07, MT ??, Hero ATT 078 ( ?? Rounds, 18 losses)   |     These are bare minimum attack numbers, expect losses
- 331 Ballista HBR 07, MT ??, Hero ATT 115 ( ?? Rounds, 0 losses)    |
- 310 Ballista HBR 07, MT ??, Hero ATT 132 ( ?? Rounds, 11 losses)   | 
- 356 Ballista HBR 07, MT 10, Hero ATT 038 ( 87 Rounds, 6 losses)    |
- 360 Ballista HBR 07, MT 10, Hero ATT 033 ( 88 Rounds, 18 losses)   | 
- 400 Ballista HBR 07, MT 10, Hero ATT 024 ( 84 Rounds, 15 losses)---+ 
- 300 Ballista HBR 08, MT 10, Hero ATT 160 ( 67 Rounds, 0 losses ) - nb109
- 405 Ballista HBR 08, MT 09, Hero ATT 086 ( 67 Rounds, 0 Losses )
- 291 Ballista HBR 08, MT 08, Hero ATT 124 ( 80 Rounds, 12 Losses )
- 430 Ballista HBR 08, MT 09, Hero ATT 026 ( 66 Rounds, 3 Losses )
- 500 Ballista HBR 09, MT 10, Hero ATT 023 ( 70 rounds, 0 losses )
- 560 Ballista HBR 09, MT 10, Hero ATT 033 ( 62 rounds, 0 losses )
- 523 Ballista HBR 09, MT 10, Hero ATT 038 ( 65 rounds, 0 losses )
- 460 Ballista HBR 09, MT 10, Hero ATT 033 ( 71 rounds, 0 losses )
- 430 Ballista HBR 09, MT 10, Hero ATT 055 ( 70 rounds, 0 losses )
- 425 Ballista HBR 09, MT 10, Hero ATT 069 ( 66 rounds, 0 losses )
- 420 Ballista HBR 09, MT 10, Hero ATT 033 ( 76 rounds, 0 losses )
- 420 Ballista HBR 09, MT 10, Hero ATT 038 ( 74 rounds, 0 losses )
- 410 Ballista HBR 09, MT 10, Hero ATT 033 ( 79 rounds, 9 losses )
- 400 Ballista HBR 09, MT 10, Hero ATT 074 ( 69 Rounds, 0 Losses )
- 390 Ballista HBR 09, MT 10, Hero ATT 078 ( 69 Rounds, 0 Losses )
- 375 Ballista HBR 09, MT 10, Hero ATT 090 ( 68 Rounds, 0 Losses )
- 360 Ballista HBR 09, MT 10, Hero ATT 033 ( 87 rounds, 15 losses )
- 350 Ballista HBR 09, MT 09, Hero ATT 098 ( 73 Rounds, 2 Losses )
- 350 Ballista HBR 09, MT ??, Hero ATT 100 ( 70 Rounds, 0 Losses )
- 325 Ballista HBR 09, MT 10, Hero ATT 110 ( 71 Rounds, 0 Losses )
- 320 Ballista HBR 09, MT 10, Hero ATT 038 ( 100 rounds, 62 losses )  <--- Defeated
- 300 Ballista HBR 09, MT 10, Hero ATT 120 ( 74 Rounds, 0 Losses )
- 350 Ballista HBR 09, MT 10, Hero ATT 101 ( 37 Rounds, 0 Losses )
- 350 Ballista HBR 09, MT 10, Hero ATT 133 ( 65 Rounds, 0 Losses )
- 300 Ballista HBR 10, MT 10, Hero ATT 101 ( 78 Rounds, 8 Losses )
- 200 Catapults HBR 09, MT 10, Hero ATT 137 ( 78 Rounds, 1 Losses )
- 220 Catapults HBR 09, MT 10, Hero ATT 138 ( 74 Rounds, 0 Losses )

Warning: going below 320 balista's on an npc will still start giving small losses depending on the defending hero apperently. You will not get losses every single time but might get a few. 320 seems to be safe though, As soon as the amount of rounds needed breaks 75 rounds losses can start to appear.

Interpretation: HBR lvl 5 with archery 8 is a safe value as far as you send enough to wipe out the enemy. 500 ballistae is considered the minimum but if you refer to the above tables you'll see that this also requires a high attack hero ( at least 70+ ) for instance, my lvl 100+ attacker can take lvl 4 npc's in less rounds with less ballistae as my int hero ( lvl 30 attack ) needs to conquer a lvl 3 npc. In order to succeed with my low attack hero I actually need to send 5 times the amount of ballistae my high attacker needs. ( lvl 93 attacker needed 20, lvl 30 attacker needs 110 and is already brushing the auto-defeat due to 100 rounds ) Sending lesser units ( 60, resulted in a complete loss with all units killed )
Your ballistae need to take out ALL archers towers in the first shot, not sending a strong enough force will let them leave some at's up which then get a chance to shoot back at you, wiping you out. 500 ballistae is only safe with at least a lvl 70 + attacker, anything below that and it should be highly increased. This is due to the fact that your initial attack equals your ballista attack

I have found a way of getting below those "magical" 350 ballistas with only level 8 archery - seems like it is very dependent on hero attack value, I started from 500 ballistas with the same (if several levels weaker) hero, and was attacking with 10 less by every attack, and there was no casualties on any of those ;).

I have been consistently defeating level 5 NPC'S with 290 ballista and level 10 archery and 9 HB hero between 80 - 120 have done this over 200 times. See battle report

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- You will always take losses because NPC levels 6-10 have defensive trebuchets as fortifications
which have ranges of 5000.

HELP! WHAT IS GOING ON?

- Note First - If you want to attack a Level 10 NPC, Scout until you find a Hero in The NPC that
 is Lvl 5 or below for lower losses.
- Note Second - The Higher your Attack Hero the less losses you will take, so attack with your
 best Attack Hero.
- Note Third - I did NOT use Horn, Pencillin, or Corselet. It was just a regular Attack.
- 100,000 Archers + A RainBow (Archery Lv10, HBR Lv9, MT Lv10, IW Lv9, Meds Lv9, Attack Hero Lv150.
- 18 rounds, Losses 48,455 Archers + Rainbow) [Battle Report].
- 101,500 Archers + A RainBow (Archery Lv10, HBR Lv9, MT Lv10, IW Lv9, Meds Lv9, Attack Hero Lv147.
- 19 rounds, Losses 56,601 Archers + Rainbow) [Battle Report].
- 117,500 Archers + A RainBow (Archery Lv10, HBR Lv9, MT Lv10, IW Lv9, Meds Lv9, Attack Hero Lv144.
- 14 rounds, Losses 23,480 Archers + Rainbow) [Battle Report].
- By User Warlord26 Server 45 :)

NOTE: All of this information is based on old metrics. The game developers have since updated the attack statistics and made it a bit harder to attack NPCs. Also, attack metrics seem to vary from server to server. Talk with members of your alliance or other players on your server to get updated information on attack requirements to achieve 0 losses