Harvest Jack vs Vasal of the Seal

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Harvest Jack	Undead Hordes	Spirit	HP	Legendary	Accuracy 70 Place: All battles
Vasal of the Seal	Demonspawn	Force	HP	Legendary	HP 33% Place: All battles

Stats comparison

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Harvest Jack	60	6	26925	859	925	102	15	50	40	20
Vasal of the Seal	60	6	21315 -5610	870 +11	1288 +363	98 -4	15	50	40	20

Skills comparison

Harvest Jack	Harvest of Fear Formula: 0.06*HP Formula: (relationChance+0.5)/relationChance Attacks 1 enemy 3 times. Each hit has a 50% chance of stealing 1 random buff from the target. Each hit also has a 50% chance of placing a [Fear] debuff for 1 turn. This chance increases to 100% if the target has no active buffs. Fear	Dreams to Ash Formula: 0.16*HP Attacks all enemies. Removes all buffs from each target. Then places a 50% [Decrease ATK] debuff and a [Block Buffs] debuff on all enemies for 2 turns. Then grants an Extra Turn. Cooldown: 4 Block Buffs Poison 5% Decrease ATK 50%	Lord of Terror Formula: 0.21HP Formula: 0.3MAX_STAMINA Formula: 0.3*MAX_STAMINA Attacks all enemies. Has a 75% chance of placing a [True Fear] debuff for 2 turns. Also places a 30% [Decrease SPD] debuff for 2 turns and decreases each target's Turn Meter by 30% if the [True Fear] debuff is placed. Has a 75% chance of placing an unresistable [Sleep] debuff for 1 turn if the [True Fear] debuff is not placed. Also decreases each target’s Turn Meter by 30%. Cooldown: 4 Sleep True Fear Decrease SPD 30%	Leering Grin [P] Whenever an ally is attacked, has a 50% chance of decreasing the duration of all buffs on the attacker by 1 turn. Whenever this Champion is attacked, the chance increases to 100%. This Champion is immune to [Fear] debuffs.
Vasal of the Seal	Abyssal Seal Formula: 0.25*HP Attacks 1 enemy. Places a [HP Burn] debuff on the target for 2 turns if they are under a [True Fear] debuff or a [Decrease ATK] debuff. Also places a [Shield] buff on this Champion for 2 turns equal to 10% of their MAX HP. Shield HP Burn	Infernal Darkness Formula: 0.27*HP Attacks all enemies. Has a 75% chance of placing a [True Fear] debuff and a 50% [Decrease ATK] debuff for 2 turns. Cooldown: 5 True Fear Decrease ATK 50%	Daemon Possession Balances the HP of all allies. The HP levels of all allies will be brought up to the level of the ally with the highest HP. After balancing HP, grants an Extra Turn. Cooldown: 6	Legion of Doom [P] Formula: -0.2DMG_MUL Formula: 0.2DMG_MUL Receives 20% less damage from Champions from the Banner Lord, High Elf, and Sacred Order Factions. If there are 2 or more Demonspawn Champions on the team alongside this Champion, increases the C. DMG of all Demonspawn Champions on the team by 20%. [C. DMG increase only works when this Champion is alive.]