Gone Astray...in the Icelands is the 86th Request in Pokémon Legends: Arceus. It sends players out to find Zeke, who is lost somewhere in the Alabaster Icelands — immediately after he just asked them to help find his sister Wanda for the nth time. Here's how to complete the Request, from picking it up to completion.
Gone Astray in the Icelands: How to Complete Pokémon Legends Arceus Request
Somewhat ironically, this Request begins when you speak to Zeke inside the Galaxy Hall. When you do, he'll say his sister Wanda has gone missing — a familiar story, by this point in the game. He wants your help tracking her down. He'll then head out to the Alabaster Icelands ahead of you. Immediately after that, Wanda will appear and ask where Zeke's gone. This sends you on your quest to find the well-intentioned but perhaps ill-equipped Zeke in the Alabaster Icelands.
To get started tracking, head to the Alabaster Icelands and use Ursaluna to pick up Zeke's scent. You should see a blue signal that you can follow to Zeke. The signal will get stronger the closer you are to him.
You'll find Zeke west of Avalugg's Legacy, stuck in a cavern of ice. Drop down and talk to him, then you'll have to fight a Level 64 Alpha Glalie to escape. Once you do, Wanda will show up and hand you an Ice Stone. You'll then receive five Starpieces and a Peat Block as a reward for completing the Request.