Duke of Loyalty and Warfare
(1545 – 1598) – 54 years
Rarity: LEGENDARY
Civilization: 
Korea
Talents: 
Yi Sun-sin was a famous military strategist, general, and hero of the people renowned in the history of the Korean peninsula.
Yi Sun-sin worked alongside Admiral Won Gyun and Admiral Yi Eok-gi to beat back Japan’s naval forces during the Japan’s initial invasion of Korea in 1592 in four major engagements, earning a string of victories as exemplified by the Battle of Hansan Island.
Yi Sun-sin had risen to the rank of ‘Naval Commander of the Three Provinces’ by 1593, but was subsequently relieved of command and arrested as a result of a plot to remove him involving a Japanese double agent in the Korean Royal Court. Yi was later freed and returned to the army as a common soldier.
A terrible defeat at the hands of the Japanese navy in autumn of the same year saw Yi Sun-sin quickly restored to his former position whereupon he carried out a major restructuring of the navy and won a major victory in the Battle of Myeongnyang, Yi lost his life in the Battle Noryang Strait the following year, taking a stray arquebus bullet as the united Korean fleets worked to repel the Japanese armada.
Yi Sun-sin is also known as a prolific author of many excellent poems in addition to his military accomplishments, the most famous of which is probably the ‘The Song of Hansan Island’, roughly translated to: “The autumn night darkens the sea on a kingdom of water. Wild geese fly high in the chill air. My worried heart keeps me from sleep as the moonlight illuminates my bow and sword.”.
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Review of Yi Sun-sin:
- Ways to obtain this Commander’s sculptures: Wheel of Fortune
- YSS is one of the best Garrison Commanders in ROK.
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Yi Sun-sin Commander Skills:
| Skill | Description |
 Duke of Loyalty and Warfare (active skill) | Rage requirement: 1000 While on the map, deals direct damage to a target (Damage Factor 1000). While part of the garrison of a stronghold or your own city, deals direct damage to up to 3 targets in a fan-shaped area (Damage Factor 600). Damage dealt to each target is reduced by 15% for each additional target. On the map or in a garrison, when dealing damage, inflicts a speed reduction effect on the targets, reducing their march speed by 10% for 3 seconds. Upgrades: Direct Damage Factor (Field Battles): 1000/1200/1400/1700/2000 March Speed Reduction: 10%/15%/20%/25%/30% Direct Damage Factor (Garrison): 600/800/1000/1200/1400 |
 Battle of Myeongnyang (passive skill) | When battling within your Alliance’s territory, or while serving as garrison commander of a stronghold or your own city, normal attacks have a 10% chance to grant troops led by this commander 5% increased defense and 5% increased damage for 3 seconds. Upgrades: Defense Bonus: 5%/8%/11%/15%/20% Damage Bonus: 5%/7%/9%/12%/15% |
 Geobukseon (passive skill) | Troops led by this commander gain 10% increased defense. When fewer than 50% of units remain, troops deal 5% increased damage. Upgrades: Defense Bonus: 10%/15%/20%/25%/30% Damage Bonus: 5%/8%/11%/15%/20% |
 Winged Formation (passive skill) | While this commander is leading the garrison of your own city or a stronghold, all troops led by this commander gain 5% increased attack, and have a 10% chance to activate a shield when attacked which can absorb a large amount of damage (Damage Factor 300) and grant troops 10% increased counterattack damage for 3 seconds. Upgrades: Attack Bonus: 5%/8%/11%/15%/20% Shield (Self): 300/350/400/450/500 Counterattack Damage Bonus: 10%/15%/20%/25%/30% |
 Broken Moon (passive skill) | New Skill When troops led by this commander consist of 2 or more different unit types, they gain 20% increased attack and 20% increased defense. |
Skills Upgrading Priority for Yi Sun-sin:
- 5115 – If you do not have an Expertised Commander for Garrison, this is the recommended skill build for Yi Sun-sin at a budget.
- 5555 – Expertised Legendary Commanders are the preferred choice for defending garrisons.
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Best Commander Pairings for Yi Sun-sin:
- Garrison in Ark of Osiris (Structures): Richard I (YSS as primary commander)
- Mixed Troop Type Garrison (City/Stronghold): Theodora, Wu Zetian (Wu Zetian as primary commander), Yi Seong-Gye (YSS as primary commander),
- Infantry Troop Type Garrison (Stronghold): Charles Martel (Charles Martel as primary commander), Constantine I
- Archer Troop Type Garrison (Stronghold): Artemesia I
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Best Talent Trees for Yi Sun-sin:
Garrison – Structure/Stronghold (Crusader Flag, Alliance Fortress, Pass)
Garrison – Ark of Osiris
Garrison – City
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