Heartpiercer vs Infiltrator

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Heartpiercer	Dark Elves	Force	Attack	Uncommon	-
Infiltrator	Shadowkin	Force	Attack	Uncommon	-

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Heartpiercer	60	6	12555	1057	859	89	15	50	30	0
Infiltrator	60	6	13875 +1320	1123 +66	705 -154	101 +12	15	50	30	0

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%
Infiltrator	Shank Formula: 3.9*ATK Attacks 1 enemy.	Throwing Knives Formula: 3.4*ATK Attacks 1 enemy 2 times. Each hit has a 50% chance of placing a 2.5% [Poison] debuff for 2 turns. Cooldown: 4 Poison 2.5%