Cleanses 3 layers of non-control debuffs from all allies. Afterward, deals (350% ATK + 87500) Direct DMG to all enemies and inflicts [Feathered Serpent's Venom] on them. [Feathered Serpent's Venom]: Reduces Basic Attack DMG and Skill DMG dealt by 15% for 3 turns, up to 8 layers. Each ally can trigger the following effects once respectively before the next turn starts: During a pursue-and-attack or counterattack, gains [Celestial Blessing] (increases Skill DMG by 40% and Crit DMG by 120%). When dealing [Internal Injury] DMG, gains [Celestial Blessing] (increases Skill DMG by 40% and Crit DMG by 120%) for 1 turn; if the [Internal Injury] DMG is dealt to a boss, gains more powerful [Celestial Blessing] (increases Skill DMG by 120% and Crit DMG by 360%). After all enemies have been pursued and attacked at least once, Feathered Serpent casts skills to pursue and attack enemies once and gains [Celestial Prayer] (increases Crit Rate by 40% and Crit DMG by 40%), lasting until it casts skills next time. This effect can only be triggered again after all allies act for at least 1 turn. After all enemies have been counterattacked at least once, Feathered Serpent casts skills to counterattack enemies once and gains [Celestial Prayer] (increases Crit Rate by 40% and Crit DMG by 40%), lasting until it casts skills next time. This effect can only be triggered again after all enemies act for at least 1 turn. At the beginning of each wave, for every 1 ally with the [Pursue & Attack] tag, Feathered Serpent will inflict 1 layer of [Feathered Serpent's Venom] on all enemies for 1 turn. If there are 5 allies with the [Pursue & Attack] tag, the [Feathered Serpent's Venom] inflicted by this effect will last for 2 turns. At the beginning of each wave, before the first turn of the ally with the highest Mastery ends, the DoT debuff inflicted by the ally will ignore Block; when any ally dies, Feathered Serpent will revive 1 random dead ally at the beginning of the following 5 units' turns; afterward, restores (500% ATK + 100000) HP for all allies and grants them [Celestial Feather] equal to the restored HP amount for 2 turns, up to 5 layers. This effect can only be triggered once each wave.