Grunch Killjoy vs Bivald of the Thorn

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Grunch Killjoy	Ogryn Tribes	Force	Support	Epic	Defence 30% Place: Crypts
Bivald of the Thorn	The Sacred Order	Spirit	HP	Legendary	HP 28% Place: All battles

Stats comparison

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Grunch Killjoy	60	6	18000	969	1134	102	15	50	30	15
Bivald of the Thorn	60	6	22470 +4470	903 -66	1178 +44	98 -4	15	50	50 +20	10 -5

Skills comparison

Grunch Killjoy	Mace of Foulness Formula: 3.6*ATK Attacks 1 enemy. Has a 40% chance of placing a [Block Buffs] debuff for 1 turn. Block Buffs	Kindle Soulfire Formula: 4.2*ATK Attacks all enemies. Has a 50% chance of placing a [Bomb] debuff that detonates after 1 turn. Cooldown: 5 Bomb	Hex Eater Formula: REL_TRG_DEBUFF_COUNT-1 Removes all debuffs from all allies, then places one 15% [Continuous Heal] buff for 1 turn on each ally for every debuff removed from them. Cooldown: 6 Continuous Heal 15%	Madcap [P] Formula: 0.1*MAX_STAMINA Fills the Turn Meters of all allies by 10% whenever a [Bomb] debuff detonates on an enemy.
Bivald of the Thorn	Thorn Maul Formula: 0.25HP Formula: 0.15DEALT_DMG Attacks 1 enemy. Has a 30% chance of placing a [Provoke] debuff for 1 turn. Also heals the ally with the lowest HP by 15% of the damage inflicted. The [Provoke] debuff can be placed even if this attack lands as a weak hit. Provoke	Admonition of Barbs Formula: 0.15HP Formula: 0.15HP Attacks all enemies 2 times. The first hit has a 75% chance of placing a [Provoke] debuff for 1 turn. The second hit has a 75% chance of placing a [Leech] debuff for 2 turns. Also places a 25% [Strengthen] buff on this Champion for 2 turns. The [Leech] and [Provoke] debuffs can be placed even if this attack lands as weak hits. Cooldown: 4 Leech Strengthen Provoke	Briar Nexus Formula: 0.25HP(1+0.05TRG_DEBUFF_COUNT) Formula: 0.2DEALT_DMG Attacks all enemies. Damage increases by 5% for each debuff on each enemy. Also heals all allies by 20% of the damage inflicted and places a [Shield] buff on them for 2 turns equal to 20% of the damage inflicted. Cooldown: 5 Shield	Dethorned [P] Formula: -0.15*DMG_MUL Decreases the damage taken by all allies from enemies under [Provoke] debuffs by 15%.