Fireblade vs Heartpiercer

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Fireblade	Banner Lords	Spirit	Attack	Uncommon	-
Heartpiercer	Dark Elves	Force	Attack	Uncommon	-

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Fireblade	60	6	10080	1178	903	95	15	50	30	0
Heartpiercer	60	6	12555 +2475	1057 -121	859 -44	89 -6	15	50	30	0

Fireblade	Burning Spear Formula: 100+3.1*ATK Attacks 1 enemy. Places a 25% [Decrease ATK] debuff for 2 turns if this attack is critical. Decrease ATK 25%	Path of Flame Formula: 2.3*ATK Attacks 1 enemy 3 times. Each hit has a 30% chance of placing a 2.5% [Poison] debuff for 2 turns. Cooldown: 4 Poison 2.5%
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%