Mithrala Lifebane vs Rakka Viletide

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Mithrala Lifebane	Dark Elves	Void	Support	Legendary	Accuracy 80 Place: All battles
Rakka Viletide	Orcs	Void	Support	Legendary	Speed 19% Place: All battles

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
Rakka Viletide	60	6	19650 -660	1134 +264	1134 -220	109	15	50	40 +10	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
Rakka Viletide	Oozing Blessing Removes all debuffs from all allies, then places a 50% [Increase ATK] buff and a [Shield] buff equal to 25% of this Champion’s MAX HP on all allies for 2 turns. Cooldown: 4 Shield Increase ATK 50%	-	-	-