Grumbler vs Gurgoh the Augur

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Grumbler	Dwarves	Magic	HP	Rare	HP 25% Place: Dungeons
Gurgoh the Augur	Ogryn Tribes	Void	Attack	Legendary	Speed 30% Place: Arena

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Grumbler	60	6	19485	804	925	95	15	50	55	0
Gurgoh the Augur	60	6	16020 -3465	1465 +661	1046 +121	98 +3	15	63 +13	30 -25	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%	-
Gurgoh the Augur	Icebreaker Formula: 2ATK Formula: 2ATK Attacks 1 enemy 2 times. Places an extra hit if the target has a [Freeze] debuff.	Bonechiller Removes all buffs from all enemies. Has an 80% chance of placing a [Freeze] debuff on all enemies for 1 turn. Grants an Extra Turn. Cooldown: 5 Freeze	Avalanche Formula: 4ATK Formula: 4ATK Attacks all enemies. Places a 60% [Decrease DEF] debuff on all enemies for 2 turns. Places an extra hit if the target is under a [Freeze] debuff. Cooldown: 5 Decrease DEF 60%	Frost Embrace [P] Formula: 0.25*DMG_MUL When hit by an enemy, has a 30% chance of placing a [Freeze] debuff on the attacker for 1 turn. Increases the damage inflicted by allies against enemies under a [Freeze] debuff by 25%. Freeze