Ursala the Mourner vs Rock Breaker

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Ursala the Mourner	Banner Lords	Void	Support	Epic	Speed 24% Place: Doom tower
Rock Breaker	Dwarves	Spirit	Defence	Epic	Defence 30% Place: Arena

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Ursala the Mourner	60	6	18000	1167	936	102	15	50	30	15
Rock Breaker	60	6	18495 +495	716 -451	1354 +418	91 -11	15	50	75 +45	0 -15

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%
Rock Breaker	Whirling Hammers Formula: 2.5DEF Formula: 0.04SKILL_USED_CURRENT_ROUND*B_DEF Formula: 0 Attacks 1 enemy. Increases this Champion's DEF by 4% each time this Skill is used. Stacks up to 20%.	Chest Thump Has a 75% chance of placing a [Provoke] debuff on all enemies for 1 turn. Places a [Counterattack] buff on this Champion for 2 turns. Cooldown: 4 Counterattack Provoke	Iron Hide [P] Formula: -0.5*DMG_MUL Has a 25% chance of decreasing damage inflicted on this Champion by 50% each time this Champion is attacked.