Umbral Enchantress vs Rearguard Sergeant

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Umbral Enchantress	Demonspawn	Void	Defence	Epic	-
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
Umbral Enchantress	60	6	15360	925	1354	93	15	50	45	0
Rearguard Sergeant	60	6	18495 +3135	859 -66	1211 -143	97 +4	15	50	75 +30	0

Umbral Enchantress	Essence Scepter Formula: (3.3+(1-HP_PERC))*DEF Attacks 1 enemy. Damage increases as current HP decreases.	Immolate Formula: 3.6*DEF Attacks all enemies. Has an 80% chance of placing a [Block Buffs] debuff for 3 turns. Cooldown: 3 Block Buffs	Undying Evil Formula: 4*DEF Attacks all enemies. Has an 80% chance of placing a [Provoke] debuff for 2 turns. Places an [Unkillable] buff on this Champion for 2 turns. Places a [Block Active Skills] debuff on this Champion for 5 turns. The [Block Active Skills] debuff cannot be resisted or blocked and cannot be removed. Cooldown: 5 Block Cooldown Skills Unkillable Provoke
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%