Gravechill Killer vs Akoth the Seared

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Gravechill Killer	Undead Hordes	Magic	Attack	Rare	-
Akoth the Seared	Demonspawn	Magic	Defence	Epic	HP 25% Place: All battles

Stats comparison

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Gravechill Killer	60	6	13545	1233	892	96	15	50	30	10
Akoth the Seared	60	6	16680 +3135	892 -341	1299 +407	95 -1	15	50	30	15 +5

Skills comparison

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%	-
Akoth the Seared	Molten Punch Formula: 4*DEF Attacks 1 enemy. Has a 50% chance of placing a 30% [Decrease C. RATE] debuff for 2 turns. Decrease C. RATE	Pyroclasm Formula: 3.5DEF Formula: (relationChance+0.2aliveEnemiesCount)/relationChance Attacks all enemies. Has a 20% chance of placing a [HP Burn] debuff for 2 turns. The chance of placing the debuff increases by 20% for each alive enemy. Cooldown: 3 HP Burn	Pyretic Release Formula: 3.5*DEF Attacks all enemies. Has a 50% chance of increasing the cooldowns of all skills by 2 turns on enemies under [HP Burn] debuffs. Also places a [Shield] buff equal to 20% of this Champion's MAX HP on all allies for 2 turns. [Instantly activates this skill when this Champion is revived by Rian the Conjurer.] Cooldown: 5 Shield	Fiery Swath [P] Has a 10% chance of placing a [Fear] debuff on an enemy for 1 turn whenever they receive damage from a [HP Burn] debuff placed on themselves. Fear