Legendary Pokémon distributions Lugia and Ho-Oh are are level 100 and come with Gold Bottle Caps in Pokémon Ultra Sun and Ultra Moon, but not in Pokémon Sun and Moon | Pokémon
Pokémon Sun & Moon - Hyper Training
Pokémon Ultra Sun and Ultra Moon - Route 7, Wela Volcano Park, Captain Kiawe's Trial with Totem Marowak for Firium Z | Eurogamer.net