Sergeant vs Gravechill Killer

Overall comparison

HERO	Fraction	Element	Type	Rarity
Sergeant	The Sacred Order	Force	Attack	Uncommon
Gravechill Killer	Undead Hordes	Magic	Attack	Rare

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Sergeant	60	6	12555	1112	804	92	15	50	30	0
Gravechill Killer	60	6	13545 +990	1233 +121	892 +88	96 +4	15	50	30	10 +10

Sergeant	Hack Formula: 2.3*ATK Attacks 1 enemy 2 times.	Rally Attacks 1 enemy with 1 random ally. The ally joining the attack use their default skill. Cooldown: 3	-
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%