HEROIC WORLD FIRST AZSHARA: STRAWBERRY PUPPY KISSES
MYTHIC WORLD FIRST ABYSSAL COMMANDER SIVARA: BIG DUMB GUILD
MYTHIC WORLD FIRST BLACKWATER BEHEMOTH:: BIG DUMB GUILD
MYTHIC WORLD FIRST RADIANCE OF AZSHARA: LIMIT
MYTHIC WORLD FIRST LADY ASHVANE: METHOD
MYTHIC WORLD FIRST ORGOZOA: LIMIT
MYTHIC WORLD FIRST THE QUEEN'S COURT: METHOD
MYTHIC WORLD FIRST ZA'QUL, HARBRINGER OF NYA'LOTHA : LIMIT
MYTHIC WORLD FIRST QUEEN AZSHARA: METHOD
Sources: https://www.wowprogress.com/
https://www.method.gg/
https://www.method.gg/raidprogress
https://www.redbull.com/us-en/
https://www.esports.com/
Fun Fact: Method has gotten every mythic world 1st since Tier 20 [Kil'Jaeden]