Mithrala Lifebane vs Ostrox Boneglaive

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Mithrala Lifebane	Dark Elves	Void	Support	Legendary	Accuracy 80 Place: All battles
Ostrox Boneglaive	Undead Hordes	Void	Support	Epic	Accuracy 40 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
Ostrox Boneglaive	60	6	16515 -3795	1167 +297	1035 -319	98 -11	15	50	30	15 +5

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
Ostrox Boneglaive	Pain Reversal Formula: 3.9ATK Formula: 0.1TRG_HP Attacks 1 enemy. Has a 70% chance of transferring 1 random debuff from this Champion to the target. Also heals the ally with the lowest HP by 10% of their MAX HP.	Spinal Surge Formula: 3*ATK Attacks all enemies. If 3 or fewer enemies are alive, has a 75% chance of placing a [Block Buffs] debuff on each enemy for 2 turns. If 4 or more enemies are alive, has a 75% chance of placing a [Block Buffs] debuff on each enemy for 3 turns. Cooldown: 4 Block Buffs	Death Perception Removes 1 random debuff from all allies and places a 50% [Increase ACC] buff on them for 2 turns. Cooldown: 6 Increase ACC	Skeletal Mirror [P] Whenever an enemy attempts to place a debuff on this Champion, has a 20% chance to reflect it back onto the attacker.