Septimus vs Gravechill Killer

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Septimus	Banner Lords	Spirit	Attack	Legendary	Attack 30% Place: All battles
Gravechill Killer	Undead Hordes	Magic	Attack	Rare	-

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Septimus	60	6	13710	1674	991	102	15	63	30	0
Gravechill Killer	60	6	13545 -165	1233 -441	892 -99	96 -6	15	50 -13	30	10 +10

Septimus	Behead Formula: 3.6*ATK Attacks 1 enemy. Will ignore 30% of the target's DEF. Grants an Extra Turn and resets the cooldown on this Champion's Holy Sword skill if the target is killed. The cooldown will be reset even if this attack is a counterattack.	Holy Sword Formula: 3.5ATK+0.1TRG_HP Attacks all enemies. Will ignore [Shield] and [Block Damage] buffs. Damage increases according to enemies' MAX HP. Cooldown: 3	Giant Killer [P] Formula: DMG_MUL*0.3 Has a 30% chance of increasing the duration of all debuffs on the target by 1 turn whenever this Champion attacks. This effect cannot be resisted. The damage inflicted by this Champion's skills increases by 30% if the enemy's MAX HP is higher than this Champion's MAX HP.
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%