Berserker vs Gravechill Killer

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Berserker	Barbarians	Spirit	Attack	Rare	-
Gravechill Killer	Undead Hordes	Magic	Attack	Rare	-

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Berserker	60	6	14535	1266	793	98	15	57	30	0
Gravechill Killer	60	6	13545 -990	1233 -33	892 +99	96 -2	15	50 -7	30	10 +10

Berserker	All-Out Attack Formula: 3.9ATK Formula: 0.3MAX_STAMINA Attacks 1 enemy. Fills this Champion's Turn Meter by 30% if this attack is critical.	Havoc Formula: 5.6*ATK Attacks 1 enemy. Grants an Extra Turn if the target is killed. Cooldown: 4	Sweep Formula: 1.5*ATK Formula: -0.2 Attacks all enemies 2 times. Will ignore 20% of each target's DEF. 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%