Shiki kit
S1: Special Invul Pierce, Arts Up, IK success up, Gain stars
S2: Choose between AOE or ST Arts, both will give you 50% charge, AOE gives debuff immune 3t, ST gives debuff remove resist.
S3: AOE -> ATK up, NP DMG up, Invul, OC up
ST -> Atk up, crit up, heal, reduce cooldown by 1