Diabolist vs Quargan the Crowned

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Diabolist	Demonspawn	Magic	Support	Rare	-
Quargan the Crowned	Lizardmen	Spirit	Support	Epic	-

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Diabolist	60	6	18660	1002	782	110	15	50	30	0
Quargan the Crowned	60	6	17670 -990	903 -99	1222 +440	103 -7	15	50	30	0

Diabolist	Torment Formula: 4*ATK Attacks 1 enemy. Has a 10% chance of placing a [Sleep] debuff for 1 turn. Sleep	Electric Storm Formula: 3.6*ATK Attacks all enemies. Places a 30% [Increase SPD] buff on all allies for 2 turns. Cooldown: 4 Increase SPD 30%	Positive Charge Formula: 0.15MAX_STAMINA Formula: 0.15MAX_STAMINA Fills the Turn Meter of all allies by 15%. Decreases the Turn Meter of all enemies by 15%. Cooldown: 6
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%