Rotting Mage vs Quargan the Crowned

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Rotting Mage	Undead Hordes	Spirit	Support	Rare	Speed 13% Place: Crypts
Quargan the Crowned	Lizardmen	Spirit	Support	Epic	-

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Rotting Mage	60	6	16350	1068	870	100	15	50	30	15
Quargan the Crowned	60	6	17670 +1320	903 -165	1222 +352	103 +3	15	50	30	0 -15

Rotting Mage	Gelid Beam Formula: 4*ATK Attacks 1 enemy. Has a 25% chance of placing a [Freeze] debuff for 1 turn. Freeze	Frost Armaments Places a 25% [Increase ATK] buff on all allies for 2 turns. Places a 30% [Increase DEF] buff on this Champion for 2 turns. Cooldown: 4 Increase ATK 25% Increase DEF 30%	Mental Overload Formula: 4.4*ATK Attacks 1 enemy. Has a 75% chance of placing a [Stun] debuff for 1 turn. Cooldown: 4 Stun
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%