Storm Herald Hekaton vs Belletar Mage-slayer

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Storm Herald Hekaton	Argonites	Void	Defence	Legendary	Speed 24% Place: All battles
Belletar Mage-slayer	Ogryn Tribes	Void	HP	Legendary	HP 33% 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
Belletar Mage-slayer	60	6	21975 +3315	848 +121	1266 -342	108 +9	15	50	50	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.
Belletar Mage-slayer	Fume Ax Formula: 0.22*HP Attacks 1 enemy. Has a 75% chance of decreasing the cooldown of a random skill of the ally with the highest Turn Meter, except this Champion, by 1 turn.	Slayer's Roar Formula: 0.22HP Formula: 0.2HP Formula: 0.2*MAX_STAMINA Attacks all enemies. Places a 50% [Increase ATK] buff and a 60% [Increase DEF] buff on all allies for 2 turns. Also heals all allies by 20% of this Champion's MAX HP and fills all allies' Turn Meters by 20%. Cooldown: 4 Increase ATK 50% Increase DEF 60%	Mercy of the Oasis Formula: 0.5TRG_HP Formula: 0.5MAX_STAMINA Revives all dead allies with 50% HP and 50% Turn Meter, then places a [Shield] buff on all revived allies for 2 turns, equal to 20% of this Champion's MAX HP. Also places a [Block Debuffs] buff on all allies for 2 turns. Cooldown: 6 Shield Block Debuffs	Critical Juncture [P] Has a 75% chance of decreasing all of an ally's skill cooldowns by 1 turn whenever they are revived. Once per turn, if an ally is killed, reduces the cooldowns of all this Champion's skills by 1 turn.