Metalshaper vs Big 'Un

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Metalshaper	Lizardmen	Spirit	Support	Rare	Defence 15% Place: Crypts
Big 'Un	Ogryn Tribes	Magic	Attack	Legendary	Accuracy 90 Place: Dungeons

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Metalshaper	60	6	16350	859	1079	90	15	57	30	0
Big 'Un	60	6	17505 +1155	1575 +716	837 -242	104 +14	15	63 +6	30	10 +10

Metalshaper	Transference Bolt Formula: 4*DEF Attacks 1 enemy. Has a 30% chance of stealing 1 random buff from the target.	Fortified Steel Places a [Shield] buff on all allies for 2 turns. The value of the [Shield] is proportional to this Champion Level. Cooldown: 3 Shield	Rescue Formula: 0.2*HP Removes all debuffs from the ally with the lowest HP, then heals them by 20% of this Champion's MAX HP. Also places a 25% [Increase DEF] buff on that ally for 3 turns. Cooldown: 5 Increase DEF 30%
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%