Skink vs Gravechill Killer

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Skink	Lizardmen	Magic	Attack	Rare	Attack 30% Place: All battles Element: Magic
Gravechill Killer	Undead Hordes	Magic	Attack	Rare	-

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Skink	60	6	13380	1310	826	93	15	57	30	0
Gravechill Killer	60	6	13545 +165	1233 -77	892 +66	96 +3	15	50 -7	30	10 +10

Skink	Slippery Strike Formula: 3*ATK Attacks 1 enemy. Will ignore [Block Damage] and [Shield] buffs.	Withering Poison Formula: 5.5*ATK Attacks 1 enemy. Has a 50% chance of placing a 30% [Decrease DEF] debuff for 2 turns. Places a 50% [Heal Reduction] debuff for 2 turns if the target has a [Decrease DEF] debuff. Cooldown: 4 Heal Reduction 50% Decrease DEF 30%	Catalyze Formula: 5.5ATK Formula: 5.5ATK Attacks 1 enemy. The hit is critical if the target has a [Heal Reduction] debuff. Cooldown: 4
Gravechill Killer	Freezing Toxin Formula: 3.9*ATK Attacks 1 enemy. Has a 40% chance of placing a 5% [Poison] debuff for 1 turn. Poison 5%	Blood Chill Formula: 6.8*ATK Attacks 1 enemy. Has a 75% chance of placing a 30% [Decrease DEF] debuff for 2 turns. Has a 75% chance of placing a 60% [Decrease DEF] debuff instead if the target is under a [Poison] debuff. Cooldown: 4 Decrease DEF 60% Decrease DEF 30%	Icy Veins Formula: 2.65*ATK Attacks 1 enemy 2 times.Each hit places a 2.5% [Poison] debuff for 2 turns. Places a 5% [Poison] debuff instead if the target is under a [Poison Sensitivity] debuff. Cooldown: 5 Poison 2.5% Poison 5%