Riddle Korok Forest. To answer the riddles drop the item that. Keo Ruug Shrine is located in the center of the Korok Forest.
These can be found all over if you do not already have plenty on you. To surrender an item face Walton and place the answer to the riddle on the leaf before him. It consists of solving riddles and requires that the answer be in a form of an item surrendered to Walton.
It starts with an H and ends with an oof.
To begin the Quest look for Chio inside the Korok Forest it is close to the entrance which directs to the local shops. The Lost Pilgrimage Trial of Second Sight and finally The Test of Wood. To start this quest you need to talk to Walton who is at Korok Forest right on the top of the Great Deku Tree. His fifth riddle is this.