Hellfreak vs Heartpiercer

Overall comparison

HERO	Fraction	Element	Type	Rarity
Hellfreak	Demonspawn	Spirit	Attack	Rare
Heartpiercer	Dark Elves	Force	Attack	Uncommon

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Hellfreak	60	6	15195	1365	650	107	15	50	30	0
Heartpiercer	60	6	12555 -2640	1057 -308	859 +209	89 -18	15	50	30	0

Hellfreak	Vile Blades Formula: 1.6*ATK Attacks 1 enemy 2 times. Each hit has a 20% chance of placing a 60% [Decrease DEF] debuff for 2 turns. Decrease DEF 60%	Mind Games Formula: 5.3*ATK Attacks 1 enemy. Has a 50% chance of stealing all buffs from the target before attacking. Cooldown: 4	Worst Nightmare Swaps HP with an enemy, then grants an Extra Turn. Cooldown: 6
Heartpiercer	Perforate Formula: 4.6*ATK Attacks 1 enemy.	Sight In Formula: 7.6*ATK Attacks 1 enemy. If the hit is critical, places a 25% [Increase ATK] buff on this Champion for 2 turns. Cooldown: 4 Increase ATK 25%	-