Corpse Collector vs Rearguard Sergeant

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Corpse Collector	Undead Hordes	Force	Support	Epic	Accuracy 40 Place: Arena
Rearguard Sergeant	Dwarves	Force	Defence	Epic	HP 33% Place: All battles Element: Force

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Corpse Collector	60	6	17175	1167	991	106	15	50	30	0
Rearguard Sergeant	60	6	18495 +1320	859 -308	1211 +220	97 -9	15	50	75 +45	0

Corpse Collector	Insidious Parasite Formula: 3.6*ATK Attacks 1 enemy. Has a 40% chance of placing a [Leech] debuff for 2 turns. Leech	Hailfire Formula: 2.5*ATK Attacks all enemies. Has a 75% chance of placing a 100% [Heal Reduction] debuff and a 50% [Decrease ACC] debuff on all enemies for 2 turns. Cooldown: 4 Decrease ACC 50% Heal Reduction 100%	Noxious Escape Formula: 1.65*ATK Attacks 3 times at random. Each hit has a 75% chance of placing a 5% [Poison] debuff for 2 turns. Places a [Veil] buff on this Champion for 1 turn. Cooldown: 5 Veil Poison 5%
Rearguard Sergeant	Crushing Impact Formula: 4*DEF Attacks 1 enemy. Has a 40% chance of placing a 60% [Decrease DEF] debuff for 2 turns. Decrease DEF 60%	Flail Master Formula: 3.6DEF Formula: 0.25DEALT_DMG Attacks all enemies. Has a 50% chance of placing a 50% [Decrease ATK] debuff for 2 turns. Heals this Champion by 25% of the damage inflicted. Cooldown: 4 Decrease ATK 50%	Fend Them Off Places a 50% [Ally Protection] buff and a 15% [Continuous Heal] buff on all allies except this Champion for 2 turns. Cooldown: 5 Continuous Heal 15% Ally Protection 50%