Robar vs Grunch Killjoy

Overall comparison

HERO	Fraction	Element	Type	Rarity
Robar	Orcs	Force	Attack	Legendary
Grunch Killjoy	Ogryn Tribes	Force	Support	Epic

Stats comparison

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Robar	60	6	18990	1619	694	102	15	63	30	10
Grunch Killjoy	60	6	18000 -990	969 -650	1134 +440	102	15	50 -13	30	15 +5

Skills comparison

Robar	Stunning Strength Formula: 3.4*ATK Attacks 1 enemy. Has a 50% chance of placing a [Stun] debuff for 1 turn. Grants an Extra Turn if this debuff is successfully placed. Stun	Wild Swing Formula: 4.3*ATK Attacks all enemies. Before attacking, places a 50% [Increase ACC] buff and a 50% [Increase ATK] buff on this Champion for 2 turns. Has a 75% chance of placing a 60% [Decrease DEF] and a [True Fear] debuffs for 2 turns. Cooldown: 4 Increase ATK 50% True Fear Decrease DEF 60% Increase ACC	Merciless Assault Formula: 4.2ATK Formula: 0.5DMG_MUL Attacks all enemies. Will ignore 20% of each target's DEF and [Shield] buffs. Damage increases if the target is under [Fear], [True Fear], [Freeze], [Provoke], [Sleep], [Stun], [Petrification] debuffs. Cooldown: 3	Orc Brotherhood [P] Formula: 0.15MAX_STAMINA Formula: 0.15MAX_STAMINA Fills this Champion's Turn Meter by 15% whenever a [Fear], [True Fear], [Freeze], [Provoke], [Sleep] or [Stun] is placed on an ally (excluding this Champion). Fills all allies' Turn Meter by 15% whenever this Champion places a [Stun] debuff on an enemy. Counterattacks with the Stunning Strength skill whenever an ally from the Orcs Faction is attacked. Occurs once per turn.
Grunch Killjoy	Mace of Foulness Formula: 3.6*ATK Attacks 1 enemy. Has a 40% chance of placing a [Block Buffs] debuff for 1 turn. Block Buffs	Kindle Soulfire Formula: 4.2*ATK Attacks all enemies. Has a 50% chance of placing a [Bomb] debuff that detonates after 1 turn. Cooldown: 5 Bomb	Hex Eater Formula: REL_TRG_DEBUFF_COUNT-1 Removes all debuffs from all allies, then places one 15% [Continuous Heal] buff for 1 turn on each ally for every debuff removed from them. Cooldown: 6 Continuous Heal 15%	Madcap [P] Formula: 0.1*MAX_STAMINA Fills the Turn Meters of all allies by 10% whenever a [Bomb] debuff detonates on an enemy.