Dyana Gloompiercer vs Corvis the Corruptor

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Dyana Gloompiercer	Sylvan Watchers	Void	Attack	Epic	Attack 20% Place: All battles
Corvis the Corruptor	The Sacred Order	Magic	Defence	Legendary	Defence 30% Place: All battles

Stats comparison

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Dyana Gloompiercer	60	6	15525	1421	848	104	15	60	30	0
Corvis the Corruptor	60	6	19155 +3630	903 -518	1398 +550	99 -5	15	50 -10	40 +10	20 +20

Skills comparison

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.
Corvis the Corruptor	Reductive Process Formula: 3.1*DEF Attacks 1 enemy. Has a 40% chance of placing a 50% [Decrease ATK] debuff for 2 turns. Decrease ATK 50%	Medical Miracle Formula: 1.9DEF Formula: 1.9DEF Attacks all enemies 2 times. The first hit increases the duration of all enemy debuffs by 1 turn. The second hit increases the duration of all ally buffs by 1 turn. Cooldown: 4	Field Research Formula: 2DEF Formula: 2DEF Attacks all enemies 2 times. Each hit has a 75% chance of placing two 5% [Poison] debuffs for 2 turns. After attacking, places a 25% [Poison Sensitivity] debuff on enemies under 2 or more [Poison] debuffs. Cooldown: 5 Poison Sensitivity Poison 5%	Curious Draught [P] Formula: (EffectsAppliedOnTargetCountOfKind(ContinuousDamage_KindId)<5)(-0.05DMG_MUL)EffectsAppliedOnTargetCountOfKind(ContinuousDamage_KindId)+(EffectsAppliedOnTargetCountOfKind(ContinuousDamage_KindId)>=5)(-0.25*DMG_MUL) Decreases the damage enemies under [Poison] debuffs inflict (5% less damage per [Poison] debuff, stacks up to 25%).