A Chilling Challenge Pokemon Legends Z-A Side Mission Full Walkthrough and Guide

Unlocked after AZ tells Team MZ the truth about Prism Tower during Main Mission 35.

An Ice Type trainer wants to battle against you!

[1] Talk to the woman. She is a fan of Ice Types and moves that can freeze foes.

[2] Battle her and win.
Here is her profile

Note: She has a tip that if your Pokemon is frozen, you can use Flame Wheel, Steam Eruption, or Flare Blitz to thaw them.

・₽ 4,200
・Never-Melt Ice ×1
・Ice Stone x1