Vikings: War of Clans Wikia
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Knowledge

Knowledge is researched in the Oracle building. It can increase stats, speeds, efficiency or unlock new troops.

There are 9 different areas of knowledge:

Usually you need to fulfill some requirements to be able to research a certain skill or rank of a skill. This is usually based on prior knowledge and the Oracle being of a sufficient level.

Economic

Economic knowledge is focused on increased Resource generation and yield.

Skill Max skill Max increase Gives
Building 10 36%@8

46%@9

66%@10

Building speed up
Woodworking 10 58%@9

78%@10

Increased Lumber production
Farming 10 58%@9

78%@10

Increased Food production
Quarrying 10 58%@9

78%@10

Increased Stone production
Capacity 10 36%@8

46%@9

66%@10

Increased Capacity
Metallurgy 10 58%@9

78%@10

Increased Iron production
Fleetness I 10 36%@8

46%@9

66%@10

Increased Marching Pace
Spoils of War 10 36%@8

46%@9

66%@10

Increased Yield speed in locations
Gold Mining 10 6%@6

10%@10

Increased Gold Yielding
Convoy Capacity I 10 1.5%@1

4.5%@2

9%@3

15.5%@4

24%@5

Lumber Supply I 10 1.5%@1

4.5%@2

9%@3

15.5%@4

24%@5

Level 5 requires all above at level 5 and oracle lv 26
Food Supply I 10 1.5%@1

4.5%@2

9%@3

15.5%@4

24%@5

Level 5 requires all above at level 5 and oracle lv 26
Stone Supply I 10 1.5%@1

4.5%@2

9%@3

15.5%@4

24%@5

Level 5 requires all above at level 5 and oracle lv 26
Woodworking II 10 1.5%@1

4.5%@2

9%@3

15.5%@4

24%@5

Level 5 requires all above at level 5 and oracle lv 26
Farming II 10 1.5%@1

4.5%@2

9%@3

15.5%@4

24%@5

Level 5 requires all above at level 5 and oracle lv 26
Quarrying II 10 1.5%@1

4.5%@2

9%@3

15.5%@4

24%@5

Level 5 requires all above at level 5 and oracle lv 26
Iron Supply I 10 1.5%@1

4.5%@2

9%@3

15.5%@4

24%@5

Level 5 requires all above at level 5 and oracle lv 26
Silver Supply I 10 22%@4

34.5%@5

Level 5 requires all above at level 5 and oracle lv 26
Metallurgy II 10 1.5%@1

4.5%@2

9%@3

15.5%@4

24%@5

Level 5 requires all above at level 5 and oracle lv 26
Silver Production I 10 10%@4

15%@5

Level 5 requires all above at level 5 and oracle lv 26
Spoils of war II 10 1.5%@1

4.5%@2

9%@3

15.5%@4

24%@5

Level 5 requires all above at level 5 and oracle lv 26
Building II 10 1.5%@1

4.5%@2

9%@3

15.5%@4

24%@5

Level 5 requires all above at level 5 and oracle lv 26
Lumber Supply II 10 2%@1

6%@2

12.5%@3

Level 5 requires all above at level 5 and oracle lv 26
Food Supply II 10 2%@1

6%@2

12.5%@3

Level 5 requires all above at level 5 and oracle lv 26
Stone Supply II 10 2%@1

6%@2

12.5%@3

Level 5 requires all above at level 5 and oracle lv 26
Iron Supply II 10 2%@1

6%@2

12.5%@3

Level 5 requires all above at level 5 and oracle lv 26
Silver Supply II 10 41%@4

63%@5

Level 5 requires all above at level 5 and oracle lv 26
Convoy Capacity II 10 2%@1

6%@2

12.5%@3

Level 5 requires all above at level 5 and oracle lv 26
Spoils of war III 10 1.5%@1

4.5%@2

Level 5 requires all above at level 5 and oracle lv 26
Silver Production II 10 1.5%@1

4.5%@2

Level 1 requires oracle lv 26

Level 2 requires oracle lv 27

Total 300

Military

Military knowledge focuses on unlocking Troops and increasing their stats. It is the top priority knowledge to boost your troops and grants the biggest bonus to stats of all the available knowledge.

Skill Max skill Max increase max lvl upg. time max lvl silver cost
Training speed I 1 20%
Melee offense 10 131% 21weeks 4days 11.5M
Ranged offense 10 131% 21weeks 4days 11.5M
Cavalry offense 10 131% 21weeks 4days 11.5M
Melee defense 10 131%
Ranged defense 10 131%
Cavalry defense 10 131%
Unlock Shieldmaiden 1
Unlock Nomads 1
Unlock Raiders 1
Unlock Mangonels 1
Unlock Rippers 1
Siege Offense 10 131% 21weeks 4days 11.5M
Siege Defense 10 131%
Killer Offense 10 131% 21weeks 4days 11.5M
Killer Defense 10 131%
Unlock Jomsvikings 1 15 days 360k
Unlock Hawks 1 15 days 360k
Unlock Furies 1 15 days 360k
Unlock Catapults 1 15 days 360k
Unlock Berserks 1 15 days 360k
Troop Health 10 131% 80 weeks 19.5M
Troop Defense I 10 131% 80 weeks 19.5M
Unlock Legionaries 1
Unlock Predatresses 1
Unlock Judicators 1
Unlock Balistae 1
Unlock Demons 1
Troop Offence during Attack 15 35%@9
Troop Offence during Defence 15 35%@9
Troop Defence during Attack 15 35%@9
Troop Defence during Defence 15 35%@9
Troop Health during an Attack 15 35%@9
Troop Health during a Defence 15 35%@9
Troop Number in an Onslaught 10
Unlock Executioners 1
Unlock Fanatics 1
Unlock Huntsman 1
Unlock Polybolos 1
Unlock Cutthroats 1
Total 241

Espionage

Espionage knowledge focuses on unlocking Scouts and increasing their Stats.

Skill Max skill Max increase Gives
Unlock Stalkers 1 Unlock Stalker
Scout Offense 10 131%

91%@lv9

Increased Scout offense
Scout Speed I 10 10% Increased Spying Speed
Scout Defense 10 131%

91%@lv9

Increased Scout defense
Unlock Infiltrator 1 Unlock Infiltrator
Unlock Wolves 1 Unlock Wolves
Unlock Phantoms 1 Unlock Phantoms
Scout Speed II 10 Increased Spying Speed
Unlock Faceless 1 Unlock Faceless
Scout Health 15
Scout Defense II 15
Scout Speed III 15
Scout Offense II 15
Total 105

Training

Training knowledge focuses on reducing the cost of training Troops and Scouts. Training knowledge grants very small bonus to stats but huge amounts of experience. It is recommended to research this kind of knowledge when you want to upgrade your Hero Levels faster.

Skill Max skill Max increase max lvl upg. time max lvl silver cost
Mercenary Training Cost 10 40% 4d 14h 12k
Archeress Training Cost 10 40% 4d 14h 12k
Horseman Training Cost 10 40% 4d 14h 12k
Slayer Training Cost 10 40% 4d 14h 12k
Trebuchet Training Cost 10 40% 4d 14h 12k
Stalker Training Cost 10 40% 4d 14h 12k
Shieldmaiden Training Cost 10 40%
Nomad Training Cost 10 40%
Raider Training Cost 10 40%
Ripper Training Cost 10 40%
Mangonel Training Cost 10 40%
Infiltrator Training Cost 10 40%
Fleetness II 10 5%@5

6%@6

Resources Production 10 4.5%@7

5.5%@8

10%@10

Jomsviking Training Cost 10 40%
Hawk Training Cost 10 40%
Fury Training Cost 10 40%
Berserker Training Cost 10 40%
Catapult Training Cost 10 40%
Wolf Training Cost 10 40%
Number of marches I 2 2
Training Limit 10 25%
Training speed II 10 25%
Legionary Training Cost 10 40%
Predatress Training Cost 10 40%
Judicator Training Cost 10 40%
Demon Training Cost 10 40%
Ballista Training Cost 10 40%
Phantom Training Cost 10 40%
Troop Healing Speed II 10
Infirmary Capacity 10
Executioner Training Cost 10
Fanatic Training Cost 10
Huntsman Training Cost 10
Cutthroat Training Cost 10
Polybolos Training Cost 10
Faceless Training Cost 10
Total 362

Invaders

Invaders knowledge focuses on unlocking & weakening Invaders and increasing Hero Energy & Hero offense. It is the only category of knowledge that do not grant the Jarl additional quest rewards.

Skill Max Skill Max Bonus Gives
Unlock Invaders I 1 N/A Unlocks the ability to attack level 1 invaders
Hero Energy Restoration I 10 15%@8

18%@9

21.25%@10

Increases the speed of hero energy regeneration

Hero Speed 10 23.5%@7

32.5%@8

42.5%@9

52.5%@10

Increase hero's marching speed when attacking invaders

Hero Critical Hit I 10 15.5%@8

20.5%@9

27.5%@10

Increases the chance of a hero critical hit when attacking invaders
Hero Endurance I 10 7%@7

9%@8

11.25%@9

13.75%@10

Decreases the energy required to attack an invader
Unlock Invaders II 1 N/A Unlocks the ability to attack level 2 invaders
Hero Sustained Attack I 10 10

Increase the number of sustained attacks in a series, Every attack in a serie increases the attack of you hero with 15%. For an attack to be in a serie you need to attack the same target again within an hour.

Hero Energy Restoration II 10 8%@5

10.5%@6

Increases the speed of hero energy regeneration
Hero Offense I 10 17.40%@7

22.2%@8

34.5%@9

66.8%@10

Increase hero's offense when attackign invaders
Hero Critical Hit II 10 13.25%@7

17.5%@8

22.75%@9

30%@10

Increases the chance of a hero critical hit when attacking invaders

Unlock Invaders III 1 N/A Unlocks the ability to attack level 3 invaders
Unlock Invaders IV 1 N/A Unlocks the ability to attack level 4 invaders
Number of Marches II 1 1 Increase the number of Marches you could have simultaneously
Hero Energy Reserve I 10 925 Increase the Hero's energy reserve
Training Speed III 10 8.5%@6

15%@8

19%@9

24%@10

Increase the speed to train your Troops
Reduced Invader Defense 10 15.30%@6

23.95%@8

29.4%@9

39.85%@10

Reduce the defence of the Invaders.
Troop Healing Speed 10 16.5%@6

34%@8

54%@9

79%@10

Increase the speed of healing your Troops in the Infirmary
Hero's Sustained Attack 2 10 10 Increase the number of attacks in a series
Hero Offense 2 10 34.2%@8

48%@9

81.8%@10

Increase hero offense
Hero's endurance 2 10 18%@8

22.5%@9

27.5%@10

Reduced hero energy depletion
Unlock Invaders V 1 N/A Unlocks the ability to attack level 5 invaders
Troop defense II 10 32.5% Increase troop defense
Troop offense II 10 32.5% Increase troop offense
Hero Energy Reserve II 10 1300 Increase the Hero's energy reserve
Unlock Invaders VI 1 N/A Unlocks the ability to attack level 6 invaders
Troop Health II /Attack II 15 0.25%@1

0.75%@2

1.5%@3

2.5%@4

3.75@5

5.5%@6

7.75%@7

10.5%@8

13.75%@9

22.5%@11

28%@12

34.25%@13

Enemy Troop Offense/Defense/Health 15 0.25%@1

0.75%@2

1.5%@3

2.5%@4

3.75@5

5.5%@6

7.75%@7

10.5%@8

13.75%@9

22.5%@11

28%@12

34.25%@13

Total 262

Hero

Skill Max Skill Max Bonus
Equipment Crafting Speed 10
Troop Offense with hero I 10
Troop Defense with hero I 10
Troop Health with hero I 10
Hero Experience I 10
Melee/Cavalry/Ranged/Killer/Siege Offense/Defense/Health with hero 10
Troop Offense/Defense/Health capturing Palace of Power 15
Troop Offense/Defense/Health guarding Palace of Power 15
Hero Experience II 10
Troop Offense/Defense/Health with Hero 15 0.25%@1

0.75%@2

1.5%@3

Troop Number in an Onslaught II 15
Offense against enemy Melee/Ranged/Cavalry/Killers/Siege 20
Training speed IV 15
Troop Health III 15
Number of troops on a march 15
Total 525

Shamans

Skill Max Skill Max Bonus
Unlock Ghosts 1 1 N/A
Shaman's Power Restoration 1 10
Shaman's Speed 10
Shaman's Power Reserve 1 10
Shaman's Sustained Attack 1 10
Shaman's Offence 1 10
Weaken Ghosts 10
Shaman's Critical Hit 10
Unlock Usual Runes 1 N/A
Troop Offence with Shaman 10
Unlock Ghosts II 1 N/A
Troop Defence with Shaman 10
Troop Health with Shaman 10
Shaman's Power Restoration II 10
Unlock Unusual Runes 1 N/A
Shaman's Endurance 1 10
Shaman's Experience 10
Unlock Ghosts III 1 N/A
Shaman's Power Reserve II 10
Shaman's Influence on Enemy Troop Offence 15
Shaman's Influence on Enemy Troop Defence 15
Unlock Rare Runes 1 N/A
Shaman's Influence on Enemy Troop Health 15
Unlock Ghosts IV 1 N/A
Shaman's Offence II 10
Rune Fusing Speed 10
Shaman's Endurance II 10
Unlock Epic Runes 1 N/A
Shaman's Sustained Attack II 10
Unlock Ghosts V 1 N/A
Shaman's Critical Hit II 10
Number of Troops on a March with Shaman 10
Unlock Legendary Runes 1 N/A
Unlock Ghosts VI 1 N/A
Total
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