Petrifya Rockroot vs Ursala the Mourner

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Petrifya Rockroot	Demonspawn	Magic	Attack	Rare	Accuracy 30 Place: All battles
Ursala the Mourner	Banner Lords	Void	Support	Epic	Speed 24% Place: Doom tower

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
Ursala the Mourner	60	6	18000 +4620	1167 -121	936 +88	102 +3	15	50	30	15 +5

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%
Ursala the Mourner	Lance of Penitence Formula: 3.4ATK Formula: 0.1MAX_STAMINA Attacks 1 enemy. Has a 40% chance of decreasing the target's Turn Meter by 10%.	Waves of Grief Formula: 3.2*ATK Attacks all enemies. Has a 75% chance of placing a 50% [Decrease ATK] debuff for 2 turns. Also places a 50% [Increase ATK] buff on all allies for 2 turns. Cooldown: 4 Increase ATK 50% Decrease ATK 50%	Requiem Formula: 0.75TRG_HP Formula: 0.5MAX_STAMINA Revives all dead allies with 75% HP, then fills their Turn Meters by 50%. Also places a 60% [Increase DEF] buff and a 25% [Strengthen] buff on all allies for 3 turns. Cooldown: 6 Strengthen Increase DEF 60%