The secret treasure mini-challenge of "Tears of the Kingdom Sleeping in the Secret Spring in the Mountain" is in the cave north of the Billund Snowfield. When we complete this task, we will get a treasure chest. When we open the treasure chest, we can find the divine beast weapon Med.
In the cave to the north of Billon Snowfield
1. We first come to the location shown in the picture, the cave located in the north of Billund Snowfield.
2. We will find a cave entrance on the snow mountain, and we will walk along the hole.
3. There is a cliff at the end. We need to jump down and open the paraglider, and finally fall into the water.
4. Finally, we go ashore and walk along the road to find the treasure chest inside. Open it to get the divine beast weapon Med.