Heartpiercer vs Slicer

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Heartpiercer	Dark Elves	Force	Attack	Uncommon	-
Slicer	Dwarves	Spirit	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
Slicer	60	6	14370 +1815	1090 +33	705 -154	90 +1	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%
Slicer	Finishing Blow Formula: 4.3*ATK Attacks 1 enemy. Decreases the cooldown of the Cut Apart skill by 1 turn if this attack kills an enemy.	Cut Apart Formula: 6.7*ATK Attacks 1 enemy. Has a 30% chance of placing a 30% [Decrease DEF] debuff for 2 turns. Cooldown: 4 Decrease DEF 30%