Increases Umbra Versatile Trekkers' Crit DMG by 15%. Dark Sakura gains an additional effect: Each stack increases the Umbra Ultimate DMG Taken by the target by 0.6%.

When an Umbra Versatile Trekker deals Ultimate DMG to a target with max stacks of Dark Sakura, the Main Umbra Trekker gains Flower Feast for 5s. When the Main Umbra Trekker with Flower Feast triggers a mark that inflicts Dark Burn, increases own Skill Crit Rate by 7.5% for 30s. When the Main Umbra Trekker with Flower Feast triggers a mark to activate the effects of Dark Shackles, increases own Auto Attack Crit DMG by 15% for 30s.