Heartpiercer vs Runekeeper Dazdurk

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Heartpiercer	Dark Elves	Force	Attack	Uncommon	-
Runekeeper Dazdurk	Dwarves	Void	Support	Epic	Attack 25% 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
Runekeeper Dazdurk	60	6	20310 +7755	694 -363	1255 +396	105 +16	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%	-
Runekeeper Dazdurk	Syphon Symbol Formula: 3.3*DEF Attacks 1 enemy. Has a 35% chance of placing a [Leech] debuff for 2 turns. Leech	Rune of Battle Formula: 0.25*MAX_STAMINA Places a 50% [Increase ATK] buff on all allies for 2 turns, then fills the Turn Meters of all allies by 25%. Cooldown: 5 Increase ATK 50%	Purity Sigil Formula: 0.25*HP Removes all debuffs from all allies, then heals all allies by 25% of this Champion's MAX HP. Places a 15% [Continuous Heal] buff for 2 turns on allies that have a debuff removed. Cooldown: 5 Continuous Heal 15%