Pokemon Legends: Arceus - How to Fly

gamerant.com:

There are multiple Ride Pokemon in Pokemon Legends: Arceus that allows players to traverse the environments in different ways and reach previously inaccessible areas. Basculegion can be used to surf across the water; Wyrdeer can gallop across the lands; Sneasler can be used to scale walls; Ursaluna can sniff out buried treasure, and then there's the Flying-type Pokemon Braviary that players can use to fly high in the sky. Before players canfly in Pokemon Legends: Arceus, they will need to progress reasonably far into the story, reaching Mission 12, "The Slumbering Lord of the Tundra," which occurs in the Alabaster Icelands.

After players go through a few cutscenes by following the main quest marker in Alabaster Icelands, they will eventually need to speak with Sabi, the warden of the area, on top of a large block of ice. After speaking to her, she will leave to a different area, and players just need to follow the marker until she flies over to the Snowpoint Temple. Before she gives players access to the flying Ride Pokemon, they'll need to go through the temple, solvethe stone statues' puzzles, and get to the top floor.

Pokemon Legends: Arceus — What to Do After Completing the Main Story

And once players get near the top of the temple, players will have to battle against Sabi in a three-on-one Pokemon battle. She will send out a level 50 Rhyperior, a level 30 Magmortar, and a level 30 Electivire. And after this fight, another one awaits players at the top of the temple.

Since Rhyperior is the strongest on her team and can easily knock out trainers' Pokemon, they should try to defeat it first. Being Rock/Ground, Rhyperior has many weaknesses: Ground, Grass, Fighting, Steel, Ice, Water. Magmortar is weak to Water, Rock, and