Card effect
Whenever you play a 【Sunset Sea】 hero card, Arcomia Core +3 levels.
Skill
Shield of Oath
Arthur summons a holy shield that orbits him for 5 seconds, dealing 50% physical attack as physical damage per second to enemies within 1 tile and granting 15% damage reduction. Arthur gains 30 max HP each time he takes part in a kill.
Upgrades
10lv
Holy shield damage increased to 80% physical attack; damage reduction increased to 25%
40lv
Damage reduction duration extended to 8 seconds
100lv
Raises the holy sword and leaps into the densest group of enemies, dealing extra magic damage equal to 15% of his max HP and preventing all enemies in the area from restoring mana for 3 seconds
Awakened card
Arthur
Whenever you play a 【Sunset Sea】 hero card, Arcomia Core +6 levels.
Sunset Sea
Whenever you play a 【Sunset Sea】 hero card, Arcomia Core +6 levels.
How to obtain
Source: obtained from the shop, auctions and other channels