Mountain King vs Ursuga Warcaller

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Mountain King	Dwarves	Force	Attack	Legendary	Attack 25% Place: All battles
Ursuga Warcaller	Barbarians	Void	HP	Legendary	HP 33% Place: All battles

Stats comparison

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Mountain King	60	6	31050	1432	1112	95	15	63	90	0
Ursuga Warcaller	60	6	23460 -7590	485 -947	1531 +419	108 +13	15	50 -13	50 -40	0

Skills comparison

Mountain King	Thunder Cleave Formula: 0.27HP+1ATK Formula: 0.1MAX_STAMINA+0.02MAX_STAMINA*REL_TRG_BUFF_COUNT Attacks 1 enemy. Fills this Champion's Turn Meter by 10%. Fills by an additional 2% for each buff on the target.	Enchanted Axe Formula: 0.3HP+1.8ATK Attacks 1 enemy. Will ignore 50% of the target's DEF. Grants an Extra Turn if this attack kills an enemy. Cooldown: 5	Regal Force Formula: 0.35HP+1.8ATK Attacks 1 enemy. Will ignore [Shield], [Strengthen], [Unkillable], [Ally Protection], and [Block Damage] buffs. Decreases the cooldown of the Enchanted Axe skill by 2 turns if this attack kills an enemy. Cooldown: 5	Fabled Skill [P] Formula: 0.5B_ATKKILLED_ENEMIES_WHOLE_BATTLE Increases this Champion's ATK by 50% each time this Champion kills an enemy. Stacks up to 100%. Immune to [Decrease ATK] and [Block Active Skills] debuffs.
Ursuga Warcaller	Gigantic Cudgel Formula: 0.23*HP Attacks 1 enemy. Has a 45% chance of placing a [Block Active Skills] debuff for 1 turn. Block Cooldown Skills	Barrel Through Formula: 0.23*HP Attacks all enemies. Places a 25% [Decrease C. DMG] debuff and a 50% [Decrease ATK] debuff for 2 turns on targets whose ATK is higher than their DEF. Places a 30% [Decrease SPD] debuff and a 60% [Decrease DEF] debuff for 2 turns on targets whose ATK is equal to or lower than their DEF. Cooldown: 5 Decrease C. DMG Decrease SPD 30% Decrease DEF 60% Decrease ATK 50%	Bottoms Up Places a 50% [Ally Protection] buff on all allies except this Champion for 3 turns. Places a 25% [Strengthen] buff on this Champion for 3 turns. Cooldown: 5 Ally Protection 50% Strengthen	Golden Guard [P] Decreases the damage all allies receive from critical hits by 30%. This Champion will receive that damage instead.