Achak the Wendarin vs Preserver

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Achak the Wendarin	Demonspawn	Force	Support	Epic	Defence 25% Place: All battles
Preserver	Banner Lords	Force	Defence	Rare	HP 17% Place: All battles

Stats comparison

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
Preserver	60	6	16350 -1155	771 -176	1167 -22	102 +8	15	50	40 +10	0 -15

Skills comparison

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.
Preserver	Exhausting Assault Formula: 5.5*ATK Attacks 1 enemy 2 times. Has a 15% chance of placing a 30% [Decrease SPD] debuff for 2 turns. Decrease SPD 30%	Recuperate Places a 7.5% [Continuous Heal] buff and a [Shield] buff on this Champion for 2 turns. The value of the [Shield] is proportional to this Champion's MAX HP. Cooldown: 4 Shield Continuous Heal 7.5%	Ice Blow Formula: 6.7*ATK Attacks 1 enemy. Has a 75% chance of placing a [Freeze] debuff for 1 turn. Cooldown: 5 Freeze	-