Apothecary vs Gravechill Killer

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Apothecary	High Elves	Magic	Support	Rare	Defence 21% Place: Dungeons
Gravechill Killer	Undead Hordes	Magic	Attack	Rare	-

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Apothecary	60	6	17175	881	1002	106	15	50	30	0
Gravechill Killer	60	6	13545 -3630	1233 +352	892 -110	96 -10	15	50	30	10 +10

Apothecary	Scatterbolt Formula: 1.4*ATK Attacks 3 times at random.	Soothing Chant Formula: 0.35*TRG_HP Heals a target ally by 35% HP. This Heal can be critical. Cooldown: 3	Boon of Speed Formula: 0.15*MAX_STAMINA Places a 30% [Increase SPD] buff on all allies for 2 turns. Fills the Turn Meter of all allies by 15%. Cooldown: 5 Increase SPD 30%
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%