Lydia the Deathsiren vs Mistress of Hymns

Oppression

Attacks 1 enemy. Has a 75% chance of placing a [Fear] debuff for 1 turn. Has a 75% chance of increasing the duration of any [Poison Sensitivity] debuffs by 1 turn. [Passive Effect] Attacks enemies with this Skill whenever they place a [Freeze], [Stun], [Fear], [True Fear], or [Petrification] debuff on an ally. The number of attacks increases according to how many debuffs are placed at that time; 1 attack for each [Freeze], [Stun], [Fear], [True Fear], or [Petrification] debuff placed. The first attack will target the attacker, while all extra hits will attack random enemies. Can only attack each enemy once.

Siren's Wail

Attacks all enemies. Has a 75% chance of placing a 60% [Decrease DEF] debuff and a 25% [Weaken] debuff for 2 turns. Also places a 25% [Strengthen] buff and a 30% [Increase SPD] buff on all allies for 2 turns.

Cooldown: 4

Nullification

Attacks 1 enemy 2 times. The first hit has a 75% chance of placing a 25% [Poison Sensitivity] debuff for 2 turns. The second hit has a 75% chance of placing a [Block Buffs] and [Block Active Skills] debuff for 2 turns.

Cooldown: 5

Death Hold [P]

Denies enemy revive attempts. This works even if this Champion is dead. If this Champion is alive when an enemy revive is denied, revives all dead allies with 50% HP and 50% Turn Meter. Grants an Extra Turn instead if there are no dead allies. If this Champion is dead when an enemy revive is denied, revives this Champion with 50% HP and 50% Turn Meter. This skill will ignore [Block Revive].

Cooldown: 9

Bolstering Blow

Attacks 1 enemy. Heals the ally with the lowest HP by 15% of the damage inflicted.

Song of Triumph

Attacks 1 enemy. Places a 15% [Continuous Heal] buff on the 2 allies with the lowest HP for 2 turns if this attack is critical.

Cooldown: 4

Hymn of Rebirth

Revives 2 random allies with 50% HP and places a [Veil] buff on them for 1 turn.

Cooldown: 6