Heartpiercer vs Cormac the Highpeak

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Heartpiercer	Dark Elves	Force	Attack	Uncommon	-
Cormac the Highpeak	Sylvan Watchers	Magic	Attack	Epic	Attack 20% Place: All battles

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Heartpiercer	60	6	12555	1057	859	89	15	50	30	0
Cormac the Highpeak	60	6	14535 +1980	1509 +452	826 -33	94 +5	15	60 +10	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%	-
Cormac the Highpeak	Drover Formula: 3*ATK Attacks 1 enemy. Has a 40% chance of placing a 30% [Decrease SPD] debuff for 2 turns. Decrease SPD 30%	Highpeak's Reach Formula: 5*ATK Attacks 1 enemy. Before attacking, has a 75% chance of placing a 60% [Decrease DEF] debuff on the target for 2 turns. Cooldown: 4 Decrease DEF 60%	Tempo Shift Places a 50% [Increase ACC] buff and a 30% [Increase C. RATE] buff on this Champion for 3 turns, then grants an Extra Turn. Cooldown: 6 Increase ACC Increase C. RATE 30%