Thayla Hammerhorn vs Vizier Ovelis

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Thayla Hammerhorn	Skinwalkers	Magic	Support	Legendary	Speed 20% Place: All battles
Vizier Ovelis	Dark Elves	Force	Attack	Legendary	Attack 34% Place: Dungeons

Stats comparison

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Thayla Hammerhorn	60	6	21480	826	1321	107	15	50	30	20
Vizier Ovelis	60	6	16350 -5130	1476 +650	1013 -308	101 -6	15	63 +13	40 +10	0 -20

Skills comparison

Thayla Hammerhorn	Skullbreak Swing Formula: 6.15ATK Formula: 0.1HP Attacks 1 enemy. Has a 75% chance of placing a [Block Buffs] debuff for 2 turns. Heals all allies by 10% of this Champion’s MAX HP. Block Buffs	Devastating Ram Formula: 2.8ATK Formula: 2.8ATK Attacks all enemies 2 times. The first hit has a 75% chance of removing all buffs from all enemies. The second hit places a 60% [Decrease DEF] debuff and a 30% [Decrease SPD] debuff on all enemies for 2 turns. Cooldown: 5 Decrease SPD 30% Decrease DEF 60%	Herald Of Loriaca Formula: 0.5TRG_HP Formula: 0.5MAX_STAMINA Revives all dead allies with 50% HP and 50% Turn Meter. Places a 60% [Increase DEF] buff and a 30% [Increase SPD] buff on all allies for 2 turns. Places a [Stun] debuff on all enemies for 1 turn. This skill can be used even if there are no dead allies. Cooldown: 6 Stun Increase DEF 60% Increase SPD 30%	For The Herd [P] Formula: 0.15DMG_MUL Formula: -0.15DMG_MUL Enemies under any debuff placed by this Champion receive 15% more damage and deal 15% less damage. 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.
Vizier Ovelis	Accursed Blades Formula: 1.3*ATK Attacks 1 enemy 3 times. Each hit has a 35% chance of increasing the duration of all debuffs by 1 turn.	Master of Misery Formula: 2.7*ATK Attacks 1 enemy 2 times. Each hit has a 50% chance of placing a [Block Buffs] debuff, a 50% [Decrease ATK] debuff, and a 100% [Heal Reduction] debuff for 2 turns. Cooldown: 4 Block Buffs Heal Reduction 100% Decrease ATK 50%	Vizier of Poisons Formula: 6.6*ATK Attacks 1 enemy. Applies a [Debuff Spread] effect, taking 2 random debuffs from the target and placing them on all enemies. Places a [Perfect Veil] buff on this Champion for 3 turns if the target is under 2 or more debuffs. Cooldown: 5 Perfect Veil	Unseen Assassin [P] Places a [Perfect Veil] buff on this Champion for 2 turns at the start of each Round. Perfect Veil