Hello, sorry for bothering you, there's problem. When there are tools in the dragon's inventory, digging earth, durability is spent at the pickaxe, and if it is removed, then at the axe.

The video is attached.
https://user-images.githubusercontent.com/90086909/149169987-35c8965b-4810-4639-a81d-c9198f56df2a.mp4