Mother Superior vs Big 'Un

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Mother Superior	The Sacred Order	Spirit	Support	Rare	Speed 13% Place: All battles
Big 'Un	Ogryn Tribes	Magic	Attack	Legendary	Accuracy 90 Place: Dungeons

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Mother Superior	60	6	16350	991	947	103	15	50	30	0
Big 'Un	60	6	17505 +1155	1575 +584	837 -110	104 +1	15	63 +13	30	10 +10

Mother Superior	Lightning Sanction Formula: 3.5*ATK Attacks 1 enemy. Has a 35% chance of placing a 25% [Decrease ATK] debuff for 2 turns. Decrease ATK 25%	Fill With Blessing Formula: 0.3*HP Heals an ally by 30% of this Champion’s MAX HP. Places a [Shield] buff equal to any surplus heal for 2 turns if the target is fully healed by this Skill. Cooldown: 4 Shield	Brim With Life Places a 7.5% [Continuous Heal] buff on all allies for 2 turns. Places a [Shield] buff equal to 10% of the target’s HP on all allies for 2 turns If an ally’s HP is full. Cooldown: 5 Shield Continuous Heal 7.5%
Big 'Un	Head Splitter Formula: 2.5ATK Formula: 2.5ATK Attacks 1 enemy. Attacks all enemies 1 time if the first attack is critical.	Forward Charge Formula: 3.6*ATK Attacks all enemies. Has a 30% chance of placing a [Stun] debuff for 1 turn. Also has a 50% chance of placing a 50% [Decrease ACC] debuff for 2 turns. Cooldown: 3 Stun Decrease ACC 50%	Molten Slag Formula: 1.9ATK Formula: 0.25MAX_STAMINA Attacks all enemies 2 times. Decreases the Turn Meter by 25%. Has a 30% chance of placing a 30% [Decrease SPD] debuff for 2 turns. Cooldown: 7 Decrease SPD 30%