Valkyrie vs Delver

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Valkyrie	Barbarians	Spirit	Defence	Legendary	Defence 33% Place: Crypts
Delver	Dark Elves	Spirit	Attack	Epic	Attack 27% Place: Crypts

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Valkyrie	60	6	17835	793	1597	104	15	50	50	0
Delver	60	6	16350 -1485	1299 +506	914 -683	98 -6	15	60 +10	30 -20	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.
Delver	Necrotic Toxin Formula: 4*ATK Attacks 1 enemy. Has a 45% chance of placing a 100% [Heal Reduction] debuff for 2 turns. Heal Reduction 100%	Mark for Death Formula: 6.2*ATK Attacks 1 enemy. Places a 25% [Weaken] debuff on the target for 3 turns if the target has a [Decrease DEF] debuff. This debuff cannot be resisted. Cooldown: 4 Weaken 25%	Finisher Formula: 4*ATK Attacks all enemies. Places a 50% [Increase ATK] buff on this Champion for 2 turns before attacking. Also has a 50% chance of placing a 60% [Decrease DEF] debuff on the target for 2 turns before attacking. Cooldown: 5 Increase ATK 50% Decrease DEF 60%