Dark Kael vs Harvester

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Dark Kael	Dark Elves	Magic	Attack	Epic	-
Harvester	Dark Elves	Void	Attack	Rare	-

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Dark Kael	60	6	14205	1343	1013	96	15	50	30	15
Harvester	60	6	13710 -495	1156 -187	958 -55	100 +4	15	57 +7	30	0 -15

Dark Kael	Weaver of Woes Formula: 1.35*ATK Attacks 1 enemy 3 times. Each hit has a 25% chance to instantly activate one tick of 2 [Poison] debuffs or 1 [Poison] debuff and 1 [HP Burn] debuffs.	Binding Darkness Formula: 4*ATK Attacks all enemies. Has a 75% chance of placing a 50% [Decrease ATK] debuff for 2 turns. Each critical hit also has a 75% chance of increasing the duration of all debuffs on the target by 1 turn. Cooldown: 4 Decrease ATK 50%	Reality Acid Has a 75% chance of placing three 5% [Poison] debuffs and a 25% [Poison Sensitivity] debuff on the target for 2 turns. Cooldown: 4 Poison Sensitivity Poison 5%	Delerium [P] Formula: -0.15 Decreases the C. RATE of enemies under 2 or more [Poison] debuffs by 15%. If there are multiple Champions on the team with this skill, only one will activate. This skill will not activate on duplicate copies of this Champion, if this particular Champion is dead.
Harvester	Destabilize Formula: 1.9*ATK Attacks 1 enemy 2 times. Has a 35% chance of placing a 15% [Weaken] debuff for 2 turns. Weaken 15%	Accursed Scythe Formula: 6.5*ATK Attacks 1 enemy. Has an 80% chance of placing a [Block Buffs] debuff for 2 turns. Cooldown: 3 Block Buffs	Temporal Burst Formula: 7.5*ATK Attacks 1 enemy. Has a 90% chance of increasing the cooldown of one of the target’s Skills by 2 turns at random. Cooldown: 5	-