Ruby
SSR
2-piece Set
Increases flame ATK after casting weapon skill by 8%/10%/12%/15% for 25 seconds. If multiple star rating effects are triggered, the one triggered last prevails. This effect does not stack.
4-piece Set
Grant Mastery after casting weapon skill for 15 seconds, with a cooldown of 15 seconds (Mastery shares cooldowns across levels). Mastery is not stackable. Increases flame damage by 2%/2.5%/3%/3.5% every time the target is hit with a normal attack until the end of Mastery. Stacks up to 6 times, adding a maximum of 1 stack every 0.2 seconds. At 6 stacks, grants a shield that can block damage 1 time.