Grunch Killjoy vs Uzol of the Jade

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Grunch Killjoy	Ogryn Tribes	Force	Support	Epic	Defence 30% Place: Crypts
Uzol of the Jade	Dwarves	Spirit	Attack	Legendary	Attack 33% Place: Arena

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
Uzol of the Jade	60	6	15195 -2805	1498 +529	1068 -66	99 -3	15	63 +13	30	0 -15

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.
Uzol of the Jade	Ruthless Axmaster Formula: 3.7*ATK Attacks 1 enemy. Has a 20% chance of granting an Extra Turn. If this attack kills an enemy, grants an Extra Turn.	Stone-Hearted Formula: TRG_SHIELDS_SUM_VALUE Formula: TRG_SHIELDS_SUM_VALUE Formula: 4ATK Formula: HeroCounterWithId(1)+1 Formula: (relationChance+0.1HeroCounterWithId(1))/relationChance Formula: 0 Attacks all enemies. Before attacking, reduces the value of any [Shield] buffs on all enemies by 100%, and places a 60% [Decrease DEF] debuff on them for 2 turns. These effects cannot be resisted if this skill was used on an Extra Turn. Has a 20% chance of granting an Extra Turn. This chance increases by 10% for each critical hit. Cooldown: 4 Decrease DEF 60%	Royal Fury Formula: 5.5ATK Formula: 5.5ATK Attacks 1 enemy. Will ignore [Shield], [Block Damage], and [Unkillable] buffs. Also ignores [Stone Skin] buffs and 100% of the target’s DEF if this skill was used on an Extra Turn or an Instant Turn. Cooldown: 4	Jade King [P] Formula: (relationChance+0.05)/relationChance Formula: 0.25*DMG_MUL If an ally has a chance to gain an Extra Turn, increases that chance by an additional 5%. 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. This Champion deals 25% more damage on Extra Turns.