Mithrala Lifebane vs Bivald of the Thorn

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Mithrala Lifebane	Dark Elves	Void	Support	Legendary	Accuracy 80 Place: All battles
Bivald of the Thorn	The Sacred Order	Spirit	HP	Legendary	HP 28% Place: All battles

Stats comparison

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
Bivald of the Thorn	60	6	22470 +2160	903 +33	1178 -176	98 -11	15	50	50 +20	10

Skills comparison

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
Bivald of the Thorn	Thorn Maul Formula: 0.25HP Formula: 0.15DEALT_DMG Attacks 1 enemy. Has a 30% chance of placing a [Provoke] debuff for 1 turn. Also heals the ally with the lowest HP by 15% of the damage inflicted. The [Provoke] debuff can be placed even if this attack lands as a weak hit. Provoke	Admonition of Barbs Formula: 0.15HP Formula: 0.15HP Attacks all enemies 2 times. The first hit has a 75% chance of placing a [Provoke] debuff for 1 turn. The second hit has a 75% chance of placing a [Leech] debuff for 2 turns. Also places a 25% [Strengthen] buff on this Champion for 2 turns. The [Leech] and [Provoke] debuffs can be placed even if this attack lands as weak hits. Cooldown: 4 Leech Strengthen Provoke	Briar Nexus Formula: 0.25HP(1+0.05TRG_DEBUFF_COUNT) Formula: 0.2DEALT_DMG Attacks all enemies. Damage increases by 5% for each debuff on each enemy. Also heals all allies by 20% of the damage inflicted and places a [Shield] buff on them for 2 turns equal to 20% of the damage inflicted. Cooldown: 5 Shield	Dethorned [P] Formula: -0.15*DMG_MUL Decreases the damage taken by all allies from enemies under [Provoke] debuffs by 15%.