Achak the Wendarin vs Battle Sister

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Achak the Wendarin	Demonspawn	Force	Support	Epic	Defence 25% Place: All battles
Battle Sister	The Sacred Order	Magic	Attack	Uncommon	-

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Achak the Wendarin	60	6	17505	947	1189	94	15	50	30	15
Battle Sister	60	6	14205 -3300	1090 +143	716 -473	101 +7	15	50	30	0 -15

Achak the Wendarin	Devour All Hope Formula: 3.5ATK Formula: 0.15TRG_STAMINA Attacks 1 enemy. Has a 30% chance of decreasing the duration of 1 random buff if the target is under a [HP Burn] debuff. Also has a 30% chance of decreasing the target’s Turn Meter by 15% if they are under a [Freeze] debuff.	Cannibal Might Places a [Block Debuffs] buff on all allies for 1 turn and a 25% [Strengthen] buff on all allies for 2 turns. Cooldown: 5 Block Debuffs Strengthen	Frostfire Gale Formula: 5.5*ATK Attacks all enemies. Has a 70% chance of placing a [Freeze] debuff for 1 turn on enemies whose ATK is higher than their DEF. Has a 70% chance of placing a [HP Burn] debuff for 1 turn on enemies whose DEF is equal to or higher than their ATK. Cooldown: 5 Freeze HP Burn	Twisted Hunger [P] Formula: 0.05TRG_B_HP Formula: 0.1MAX_STAMINA Heals all allies by 5% of their MAX HP every time an enemy under a [HP Burn] debuff gets a turn. Fills the Turn Meters of all allies by 10% every time an enemy under a [Freeze] debuff gets a turn.
Battle Sister	Sever Formula: 4.2ATK Formula: 0.1MAX_STAMINA Attacks 1 enemy. Decreases Turn Meter by 10% if this attack is critical.	Condemn Formula: 6.7*ATK Attacks 1 enemy. Has a 15% chance of removing 1 random buff from the target. This attack is always critical. Cooldown: 4	-	-