Grumbler vs Ghrush the Mangler

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Grumbler	Dwarves	Magic	HP	Rare	HP 25% Place: Dungeons
Ghrush the Mangler	Ogryn Tribes	Spirit	Defence	Epic	Defence 30% Place: Crypts

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Grumbler	60	6	19485	804	925	95	15	50	55	0
Ghrush the Mangler	60	6	19320 -165	694 -110	1321 +396	94 -1	15	50	45 -10	0

Grumbler	Angry Mallet Formula: 0.1HP+0.1DEF Attacks 1 enemy. Places a [Shield] buff on this Champion equal to 10% of their MAX HP for 2 turns. Shield	No Coming Back Formula: 0.2HP+1.5DEF Attacks 1 enemy. Places a 50% [Heal Reduction] debuff for 2 turns. Cooldown: 3 Heal Reduction 50%	Shoulder the Weight Places a 25% [Ally Protection] buff on all allies for 2 turns. Places a 30% [Increase DEF] buff on this Champion for 2 turns. Cooldown: 5 Ally Protection 25% Increase DEF 30%
Ghrush the Mangler	Gore-Slick Maul Formula: 3.5*DEF Attacks 1 enemy. Has a 50% chance of placing a [Leech] debuff on the target for 2 turns before attacking. Leech	Bonebreaker Stomp Formula: 3.6*DEF Attacks all enemies. Has a 60% chance of placing a 50% [Decrease ATK] debuff or a 25% [Decrease C. DMG] debuff for 2 turns. Cooldown: 5 Decrease C. DMG Decrease ATK 50%	Smothering Swath Formula: 4*DEF Attacks all enemies. Places a 15% [Continuous Heal] buff on all allies for 2 turns. Places an additional 7.5% [Continuous Heal] buff on all allies for 1 turn if at least one enemy is hit with a critical hit. Cooldown: 6 Continuous Heal 7.5% Continuous Heal 15%