Glaicad of the Meltwater vs Vizier Ovelis

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Glaicad of the Meltwater	Sylvan Watchers	Force	Support	Legendary	Speed 19% 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
Glaicad of the Meltwater	60	6	21480	782	1365	112	15	50	40	0
Vizier Ovelis	60	6	16350 -5130	1476 +694	1013 -352	101 -11	15	63 +13	40	0

Skills comparison

Glaicad of the Meltwater	Boreal Bolt Formula: 3.5*ATK Attacks 1 enemy 2 times. Each hit has a 35% chance of placing a [Freeze] debuff for 1 turn. If the target has 50% HP or less, this debuff cannot be resisted. Freeze	Meltwater Cloak Formula: 0.15*MAX_STAMINA Places a 50% [Increase ATK] buff on all allies for 2 turns. Also has an 80% chance to place a [Perfect Veil] buff on all allies except this Champion for 2 turns. Then fills the Turn Meters of all allies by 15%. Cooldown: 5 Increase ATK 50% Perfect Veil	Lifestream Formula: 0.4TRG_HP Formula: 0.25MAX_STAMINA Revives all dead allies with 40% HP and 25% Turn Meter. Also places a 50% [Increase ACC] buff and 60% [Increase DEF] buff on all allies for 3 turns. These buffs will be placed even if no allies were revived. If no allies were revived by this skill, grants this Champion an Extra Turn. Cooldown: 7 Increase ACC Increase DEF 60%	Thaw-might [P] Formula: 0.1DMG_MUL Formula: 0.1DMG_MUL Allies under a [Perfect Veil] buff placed by this Champion deal 10% more damage. Allies under a [Perfect Veil] buff placed by this Champion deal an additional 10% damage to enemies under [Veil] or [Perfect Veil] buffs.
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