Chicken Scramble Explorer Achievement takes place in Bloodtide Coast or Queensdale, southeast of Firthside Vigil Waypoint, north of Challdar’s Nest point of interest. Your aim is to find a chest. The chest have multiple possible spawn locations. When you find the chest, open it and Skritt Burglar will spawn. Follow him and try to kill him. The achievement is obtained upon being turned into a chicken by Skritt Burglar. (Credit reddit community).
Wooded Kingdom Moons in Super Mario Odyssey