Whisper vs Grunch Killjoy

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Whisper	Knight Revenant	Void	Attack	Epic	Attack 29% Place: Dungeons
Grunch Killjoy	Ogryn Tribes	Force	Support	Epic	Defence 30% Place: Crypts

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Whisper	60	6	16020	1443	793	95	15	60	30	0
Grunch Killjoy	60	6	18000 +1980	969 -474	1134 +341	102 +7	15	50 -10	30	15 +15

Whisper	Softening Drive Formula: 4ATK Formula: 0.2DMG_MUL Attacks 1 enemy. Has a 50% chance of placing a 25% [Weaken] debuff for 2 turns. Weaken 25%	Charged Assault Formula: 3.8ATK Formula: -1 Formula: 0.2DMG_MUL Attacks 1 enemy. Places a 50% [Increase ATK] buff and a 30% [Increase C. RATE] buff on this Champion for 2 turns before attacking if the target has higher MAX HP than this Champion. Will ignore DEF if the target is under a [Weaken] debuff. Cooldown: 4 Increase ATK 50% Increase C. RATE 30%	Unyielding Flurry Formula: 2.6ATK Formula: 0.2DMG_MUL Attacks 1 enemy 2 times. Grants an Extra Turn if the target is under [Decrease DEF] and [Weaken] debuffs. Cooldown: 5	Unrelenting [P] Has a 10% chance of granting an Extra Turn whenever this Champion lands a critical hit. Increases damage inflicted on Bosses by 20%.
Grunch Killjoy	Mace of Foulness Formula: 3.6*ATK Attacks 1 enemy. Has a 40% chance of placing a [Block Buffs] debuff for 1 turn. Block Buffs	Kindle Soulfire Formula: 4.2*ATK Attacks all enemies. Has a 50% chance of placing a [Bomb] debuff that detonates after 1 turn. Cooldown: 5 Bomb	Hex Eater Formula: REL_TRG_DEBUFF_COUNT-1 Removes all debuffs from all allies, then places one 15% [Continuous Heal] buff for 1 turn on each ally for every debuff removed from them. Cooldown: 6 Continuous Heal 15%	Madcap [P] Formula: 0.1*MAX_STAMINA Fills the Turn Meters of all allies by 10% whenever a [Bomb] debuff detonates on an enemy.