Storm Herald Hekaton vs Ultan of the Shell

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Storm Herald Hekaton	Argonites	Void	Defence	Legendary	Speed 24% Place: All battles
Ultan of the Shell	Dark Elves	Spirit	Attack	Legendary	Attack 30% Place: All battles

Stats comparison

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Storm Herald Hekaton	60	6	18660	727	1608	99	15	50	50	0
Ultan of the Shell	60	6	15525 -3135	1553 +826	991 -617	101 +2	15	63 +13	30 -20	0

Skills comparison

Storm Herald Hekaton	Fulminant Rupture Formula: 3.15DEF Formula: 2.3DEF Attacks 1 enemy. Has a 75% chance of placing a [Provoke] debuff and an [Enfeeble] debuff on the target for 1 turn. Also has a 25% chance that these debuffs cannot be resisted. If each enemy has a number of buffs that is equal to or less than this Champion’s, attacks all enemies instead. This attack is always critical. Has a 75% chance of placing a [Provoke] debuff and an [Enfeeble] debuff on all enemies for 1 turn. Also has a 25% chance that these debuffs cannot be resisted. Provoke Enfeeble	Eye of the Storm Formula: 4.7DEF Formula: 4.7DEF Formula: MAX_STAMINArelatedTargetStaminaBeforeDeath Formula: MAX_STAMINArelatedTargetStaminaBeforeDeath Attacks 1 enemy. Before attacking, places a 60% [Increase DEF] buff for 2 turns and 1 [Stormcall] stack on all allies. This attack is always critical if the number of buffs on the target is equal to or less than this Champion's. Will ignore [Stone Skin] buff and 50% of the target's DEF if the number of buffs on the target is equal to or less than this Champion's. If this attack kills the target, decreases the Turn Meters of all other enemies by an amount equal to the Turn Meter that the target had. Cooldown: 5 Stormcall Increase DEF 60%	Sky-Father's Boon Formula: 0.25*MAX_STAMINA Places a 30% [Increase C. RATE] buff, a [Block Damage] buff, and a [Counterattack] buff on a target ally for 2 turns. Fills the Turn Meters of all allies by 25%. Cooldown: 6 Block Damage Counterattack Increase C. RATE 30%	Boltmaster [P] Formula: ((!targetIsBoss&&!relationTargetIsBoss&&!targetIsMinion&&!relationTargetIsMinion)(0.02BUFF_COUNT)REL_TRG_HP)+((targetIsBoss\|\|relationTargetIsBoss\|\|targetIsMinion\|\|relationTargetIsMinion)0.03*TRG_HP) Whenever an ally under a [Stormcall] stack placed by this Champion lands a critical hit, this Champion deals additional pure damage to the target. If the target is not a Boss or a minion, the pure damage dealt is equal to 2% of the target's MAX HP for each buff on this Champion (stacks up to 10%). If the target is a Boss or a minion, the pure damage dealt is equal to 3% of the target's MAX HP. This damage cannot be critical. Occurs once per skill and once per target. Does not count as an extra hit. This pure damage ignores [Shield], [Block Damage], and [Strengthen] buffs. 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.	-
Ultan of the Shell	Under the Skin Formula: 1.6ATK Formula: -0.5REL_TRG_RES Attacks 1 enemy 2 times. Each hit has a 50% chance of placing a 60% [Decrease DEF] debuff for 2 turns. Each hit will also ignore 50% of the target's RES if Oella is on the same team. If the target is under an [Increase DEF] buff, each hit has a 80% chance of removing it. This effect cannot be resisted. Decrease DEF 60%	Resurging Reversal Formula: (0.2HP)+(0.2HPremovedEffectsCount) Formula: (REL_TRG_SHIELDS_SUM_VALUE0.05)unappliedStatusEffectsCountByCurrentSkill Formula: 5ATK Formula: 0.2DMG_MULunappliedStatusEffectsCountByCurrentSkill Removes all debuffs from this Champion and heals them by 20% of their MAX HP. Heals this Champion by an additional 20% of their MAX HP for each debuff removed. Then, places a [Shield] buff on this Champion for 2 turns. The value of the [Shield] is proportional to this Champion's ATK. The value of the [Shield] also increases by 5% for each debuff removed. Finally, attacks 1 enemy. Will ignore [Shield] buffs. Damage increases by 20% for each debuff removed by this skill. Cooldown: 4 Shield	Somnolence Spores Formula: 4.1ATK Formula: -0.5REL_TRG_RES Formula: -0.5*REL_TRG_RES Attacks all enemies. Has a 100% chance of placing a [Sleep] debuff for 1 turn and a 30% [Decrease SPD] debuff for 2 turns. If Oella is on the same team, will place a [Stun] debuff instead of [Sleep], and ignore 50% of each target's RES. Fills this Champion's Turn Meter by 15% whenever a [Sleep] or [Stun] debuff placed by this skill expires. If Oella is on the same team, grants this Champion an Extra Turn. Cooldown: 5 Sleep Stun Decrease SPD 30%	Skill 76905name Formula: 0.15*MAX_STAMINA Skill 7000003 description	Metabolism [P] Has a 15% chance of decreasing the cooldown of one of this Champion’s skills by 1 turn every time they are healed by a [Continuous Heal] buff. The chance increases to 30% if Oella is on the same team.