Rock Breaker vs Ruella

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Rock Breaker	Dwarves	Spirit	Defence	Epic	Defence 30% Place: Arena
Ruella	Sylvan Watchers	Spirit	Attack	Epic	Accuracy 40 Place: Dungeons

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Rock Breaker	60	6	18495	716	1354	91	15	50	75	0
Ruella	60	6	15855 -2640	1376 +660	870 -484	112 +21	15	50	30 -45	0

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.
Ruella	Harassment Volley Formula: 1.5ATK Formula: 0.05MAX_STAMINA Formula: -CHANGED_STAMINA_AMOUNT Attacks 1 enemy 3 times. Each critical hit has an 80% chance of stealing 5% of the target’s Turn Meter.	No Respite Formula: 2.3*ATK Attacks 1 enemy 3 times. Each hit has a 50% chance of placing a 60% [Decrease DEF] debuff, a 25% [Weaken] debuff and a 30% [Decrease SPD] debuff for 2 turns. Cooldown: 4 Weaken 25% Decrease SPD 30% Decrease DEF 60%	Timed Offensive Formula: 0.2*MAX_STAMINA Fills the Turn Meters of all allies by 20% and places a 30% [Increase C. RATE] buff on all allies for 2 turns. Cooldown: 6 Increase C. RATE 30%