Coffin Smasher vs Quargan the Crowned

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Coffin Smasher	Knight Revenant	Magic	HP	Rare	-
Quargan the Crowned	Lizardmen	Spirit	Support	Epic	-

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Coffin Smasher	60	6	21135	683	936	92	15	50	40	0
Quargan the Crowned	60	6	17670 -3465	903 +220	1222 +286	103 +11	15	50	30 -10	0

Coffin Smasher	Mallet Crescendo Formula: 0.06*HP Attacks 1 enemy 3 times. Each hit has a 15% chance of placing a 50% [Decrease ATK] debuff for 2 turns. Decrease ATK 50%	Tombfire Formula: 0.22*HP Attacks 1 enemy. Has a 50% chance of placing a [HP Burn] debuff for 2 turns. Cooldown: 4 HP Burn	Gloom Mist [P] Formula: -0.05*DMG_MUL Decreases the damage enemies inflict with AoE attacks by 5%.
Quargan the Crowned	Nature's Cycle Formula: 4*ATK Attacks 1 enemy. Has a 30% chance of increasing the duration of a random buff on a random ally by 1 turn.	Overgrowth Formula: 0.15*TRG_HP Heals all allies by 15% of their MAX HP and places a [Shield] buff equal to 15% of their MAX HP on all allies for 2 turns. Cooldown: 4 Shield	Attunement Formula: 0 Places a [Perfect Veil] buff and a 50% [Increase ATK] buff for 2 turns on all allies whose ATK is higher than their DEF. Places a [Block debuffs] buff for 1 turn and a 60% [Increase DEF] buff for 2 turns and on all allies whose DEF is higher than their ATK. Cooldown: 6 Increase ATK 50% Block Debuffs Perfect Veil Increase DEF 60%