Mithrala Lifebane vs Avenger

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Mithrala Lifebane	Dark Elves	Void	Support	Legendary	Accuracy 80 Place: All battles
Avenger	High Elves	Magic	Attack	Rare	Attack 17% Place: Crypts

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Mithrala Lifebane	60	6	20310	870	1354	109	15	50	30	10
Avenger	60	6	12225 -8085	1398 +528	815 -539	104 -5	15	57 +7	30	0 -10

Mithrala Lifebane	Libation of Pain Formula: 2*DEF Attacks 2 times at random. Each hit has an 80% chance of placing a 5% [Poison] debuff for 2 turns. Poison 5%	Sigil of Toxic Glory Formula: 4*DEF Attacks all enemies. Places a [Hex] debuff for 2 turns. Also places a 60% [Increase DEF] buff and a 50% [Increase ATK] buff on all allies for 2 turns. Cooldown: 5 Increase ATK 50% Increase DEF 60% Hex	Brimming Cylix Removes all debuffs from all allies, then places a 25% [Strengthen] buff and a [Shield] buff equal to 30% of this Champion’s MAX HP on all allies for 2 turns. Cooldown: 5 Shield Strengthen	Gaze of Stone [P] Formula: 1*ACC Whenever this Champion is attacked by an enemy under a [Hex] debuff, has a 50% chance of applying a [Petrification] debuff on the attacker for 1 turn. Whenever an ally is attacked by an enemy under a [Hex] debuff, has a 30% chance of applying a [Petrification] debuff on the attacker for 1 turn. Also increases this Champion’s RES. The amount by which it is increased is equal to the amount of ACC this Champion has. Petrification
Avenger	Hunt Formula: 2.55*ATK Attacks 1 enemy. Has a 30% chance of placing a 30% [Decrease DEF] debuff for 2 turns. Decrease DEF 30%	Lethal Vortex Formula: 2.4*ATK Attacks at random 2 times. Has an extra 15% chance of inflicting a critical hit. Cooldown: 3	Fatal Blow Formula: 5.2*ATK Attacks 1 enemy. This Skill always inflicts a critical hit. Cooldown: 5	-