Grumbler vs Skullcrusher

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Grumbler	Dwarves	Magic	HP	Rare	HP 25% Place: Dungeons
Skullcrusher	Ogryn Tribes	Force	Defence	Epic	Resist 45 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
Skullcrusher	60	6	19320 -165	826 +22	1189 +264	98 +3	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%
Skullcrusher	Smash Formula: 3.7*DEF Attacks 1 enemy. Places a 50% [Heal Reduction] debuff if the target's DEF is lower than this Champion's. Heal Reduction 50%	Stonewall Places a 50% [Ally Protection] buff on all allies except this Champion for 2 turns. Places a [Counterattack] buff on all allies except this Champion for 2 turns. Places an [Unkillable] buff on this Champion for 1 turn. Cooldown: 4 Unkillable Counterattack Ally Protection 50%	Unshakeable [P] Decreases the duration of all debuffs on this Champion by 1 turn at the start of each turn.