Petrifya Rockroot vs Corvis the Corruptor

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Petrifya Rockroot	Demonspawn	Magic	Attack	Rare	Accuracy 30 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
Petrifya Rockroot	60	6	13380	1288	848	99	15	50	30	10
Corvis the Corruptor	60	6	19155 +5775	903 -385	1398 +550	99	15	50	40 +10	20 +10

Skills comparison

Petrifya Rockroot	Flint Hail Formula: 1.9*ATK Attacks 1 enemy 2 times. Each hit has a 20% chance of placing a 30% [Decrease DEF] debuff for 2 turns. If the target is under a [Poison Sensitivity] debuff placed by this Champion, each hit has a 20% chance of placing a 60% [Decrease DEF] debuff for 2 turns instead. Decrease DEF 60% Decrease DEF 30%	Desiccation Formula: 2ATK Formula: 2ATK Attacks all enemies 2 times. The first hit has a 75% chance of placing a 25% [Decrease ATK] debuff for 2 turns. The second hit has a 50% chance of placing a 5% [Poison] debuff for 2 turns. Cooldown: 4 Decrease ATK 25% Poison 5%	Rot Pulse Formula: 2.1*ATK Attacks 3 times at random. Each hit has a 25% chance of placing a 25% [Poison Sensitivity] debuff for 2 turns. If all hits land on the same target, also places a 5% [Poison] debuff for 2 turns. Cooldown: 5 Poison Sensitivity Poison 5%	-
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%).