Frostskin vs Gravechill Killer

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Frostskin	Ogryn Tribes	Magic	Support	Uncommon	-
Gravechill Killer	Undead Hordes	Magic	Attack	Rare	-

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Frostskin	60	6	14865	1046	716	96	15	50	30	0
Gravechill Killer	60	6	13545 -1320	1233 +187	892 +176	96	15	50	30	10 +10

Frostskin	Frozen Fists Formula: 3.7*ATK Attacks 1 enemy. Has a 20% chance of placing a [Freeze] debuff for 1 turn. Freeze	Sap Strength Formula: 0.005TRG_STAMINATRG_HP Formula: 0.1*TRG_HP Formula: TRG_STAMINA Fully depletes a target ally’s Turn Meter. Heals that ally equal to 50% of the lost Turn Meter. Heals the target by 10% if their Turn Meter is less than 10% full. 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%