Lydia the Deathsiren vs Keberon the Underflame

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

Fiery Rend

Attacks 1 enemy 2 times. Has a 75% chance of placing a 60% [Decrease DEF] debuff for 2 turns. Has a 50% chance of attacking with this skill whenever an enemy has a [HP Burn] debuff activated on them. Occurs once per turn.

Searing Brand

Attacks 1 enemy 2 times. Before attacking, places a [Deathbrand] debuff on the target for 2 turns. Will ignore [Unkillable] and [Shield] buffs, as well as 25% of the target’s DEF. Activates this Champion’s Pyrenei Power skill if the target is killed. If the target survives, fills this Champion’s Turn Meter by 50% instead.

Cooldown: 4

Pyrenei Power

Attacks all enemies. Before attacking, places a 50% [Increase ACC] buff on all allies for 2 turns. Has a 75% chance of placing a [HP Burn] debuff on all enemies for 2 turns. Fills this Champion’s Turn Meter by 20% for each [HP Burn] debuff placed on enemies, and fills this Champion's Turn Meter by 10% for each [HP Burn] debuff resisted by enemies.

Cooldown: 4

Underflame's Protection [P]

[Active Effect] Activates a [Delay] effect on this Champion whenever they receive a fatal hit. [Passive Effect] Heals this Champion by 20% of their MAX HP whenever a [HP Burn] debuff is activated on an enemy. Whenever a [HP Burn] debuff on an enemy expires or is removed, places a [True Fear] debuff on that enemy for 1 turn.

Cooldown: 4