Fortnite Chapter 5 ALL Bosses, Mythics Weapons and Vault Location Guide! (Boss Peter Griffin, Oscar, Nisha, Valeria,& Montague) Peter Griffin Boss could be found at Snooty Steps and gives Mythic Peter Griffin's Hammer Pump Shotgun & Peter Griffin's Medallion Oscar Boss could be found at Lavish Lair and gives Mythic Oscar's Frenzy Auto Shotgun & Oscar's Medallion Montague Boss could be found at Grand Glacier and gives Mythic Montague's Enforcer AR & Montague's Medallion Nisha Boss could be found at Fencing Fields and gives Mythic Nisha's Striker AR & Nisha's Medallion Valeria Boss could be found at Reckless Railways and gives Mythic Valeria's Hyper SMG & Valeria's Medallion