Crypt-King Graal vs Corvis the Corruptor

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Crypt-King Graal	Undead Hordes	Magic	Support	Legendary	HP 33% Place: All battles
Corvis the Corruptor	The Sacred Order	Magic	Defence	Legendary	Defence 30% Place: All battles

Stats comparison

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Crypt-King Graal	60	6	19320	1145	1145	107	15	50	30	10
Corvis the Corruptor	60	6	19155 -165	903 -242	1398 +253	99 -8	15	50	40 +10	20 +10

Skills comparison

Crypt-King Graal	Brittleness Bane Formula: 3.7*ATK Attacks 1 enemy. Has a 60% chance of placing a 50% [Decrease ATK] debuff for 2 turns. Has a 100% chance instead if the target is under a [HP Burn] debuff or a [Freeze] debuff. Decrease ATK 50%	Death Fires Formula: 3.9*ATK Attacks all enemies. Has a 75% chance of placing a [HP Burn] debuff for 2 turns. Cooldown: 4 HP Burn	Elemental Unity Formula: 3.6*ATK Attacks all enemies. Places a [Freeze] debuff for 1 turn and a [HP Burn] debuff for 3 turns on targets already under [HP Burn] debuffs. The [HP Burn] debuff cannot be resisted. Cooldown: 4 Freeze HP Burn	-
Corvis the Corruptor	Reductive Process Formula: 3.1*DEF Attacks 1 enemy. Has a 40% chance of placing a 50% [Decrease ATK] debuff for 2 turns. Decrease ATK 50%	Medical Miracle Formula: 1.9DEF Formula: 1.9DEF Attacks all enemies 2 times. The first hit increases the duration of all enemy debuffs by 1 turn. The second hit increases the duration of all ally buffs by 1 turn. Cooldown: 4	Field Research Formula: 2DEF Formula: 2DEF Attacks all enemies 2 times. Each hit has a 75% chance of placing two 5% [Poison] debuffs for 2 turns. After attacking, places a 25% [Poison Sensitivity] debuff on enemies under 2 or more [Poison] debuffs. Cooldown: 5 Poison Sensitivity Poison 5%	Curious Draught [P] Formula: (EffectsAppliedOnTargetCountOfKind(ContinuousDamage_KindId)<5)(-0.05DMG_MUL)EffectsAppliedOnTargetCountOfKind(ContinuousDamage_KindId)+(EffectsAppliedOnTargetCountOfKind(ContinuousDamage_KindId)>=5)(-0.25*DMG_MUL) Decreases the damage enemies under [Poison] debuffs inflict (5% less damage per [Poison] debuff, stacks up to 25%).