Rock Breaker vs Ghrush the Mangler

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Rock Breaker	Dwarves	Spirit	Defence	Epic	Defence 30% Place: Arena
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
Rock Breaker	60	6	18495	716	1354	91	15	50	75	0
Ghrush the Mangler	60	6	19320 +825	694 -22	1321 -33	94 +3	15	50	45 -30	0

Rock Breaker	Whirling Hammers Formula: 2.5DEF Formula: 0.04SKILL_USED_CURRENT_ROUND*B_DEF Formula: 0 Attacks 1 enemy. Increases this Champion's DEF by 4% each time this Skill is used. Stacks up to 20%.	Chest Thump Has a 75% chance of placing a [Provoke] debuff on all enemies for 1 turn. Places a [Counterattack] buff on this Champion for 2 turns. Cooldown: 4 Counterattack Provoke	Iron Hide [P] Formula: -0.5*DMG_MUL Has a 25% chance of decreasing damage inflicted on this Champion by 50% each time this Champion is attacked.
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%