Valkyrie vs Rearguard Sergeant

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Valkyrie	Barbarians	Spirit	Defence	Legendary	Defence 33% Place: Crypts
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
Valkyrie	60	6	17835	793	1597	104	15	50	50	0
Rearguard Sergeant	60	6	18495 +660	859 +66	1211 -386	97 -7	15	50	75 +25	0

Valkyrie	Denigration Formula: 1.7ATK+0.6DEF Formula: 0.1*MAX_STAMINA Attacks 1 enemy 2 times. Decreases Turn Meter by 10% on each hit if the target has any buffs.	Stand Firm Formula: 3*DEF Attacks all enemies. Places a [Shield] buff on all allies for 3 turns and a [Counterattack] buff on all allies for 2 turns. The value of the [Shield] and the damage inflicted are proportional to this Champion's DEF. Cooldown: 4 Shield Counterattack	Jealousy [P] Formula: 0.1MAX_STAMINA Formula: 0.1MAX_STAMINA This Champion's Turn Meter will be increased by 10% each time an enemy Champion places a buff. Enemy Champions will have their Turn Meters decreased by 10% for each buff they receive.
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%