Grunch Killjoy vs Dyana Gloompiercer

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Grunch Killjoy	Ogryn Tribes	Force	Support	Epic	Defence 30% Place: Crypts
Dyana Gloompiercer	Sylvan Watchers	Void	Attack	Epic	Attack 20% Place: All battles

Stats comparison

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Grunch Killjoy	60	6	18000	969	1134	102	15	50	30	15
Dyana Gloompiercer	60	6	15525 -2475	1421 +452	848 -286	104 +2	15	60 +10	30	0 -15

Skills comparison

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.
Dyana Gloompiercer	Firefly Hatchet Formula: 1.85*ATK Attacks 1 enemy 2 times. Each hit has a 25% chance of placing a 60% [Decrease DEF] debuff for 2 turns. Decrease DEF 60%	Moonlight Ambuscade Formula: -0.2 Teams up with 2 random allies to attack a single enemy. The allies joining the attack will use their default skills. If the target is under a [Decrease DEF] debuff, these attacks will ignore 20% of the target’s DEF. Cooldown: 5	Covert Blitz Formula: 3.75*ATK Attacks all enemies. Before attacking, places a 30% [Increase C. RATE] buff and a 30% [Increase C. DMG] buff on this Champion for 2 turns. If this attack kills an enemy, places a [Veil] buff on all allies for 1 turn. Cooldown: 4 Veil Increase C. DMG Increase C. RATE 30%	Gloompiercer [P] This Champion will ignore [Shield] and [Strengthen] buffs when attacking under an [Increase ATK], [Veil], or [Perfect Veil] buff.