The "Crystal Katana" is a permanent tool in Mining Simulator 2. It is the 7th, and last, tool inside of the Molten Core Shop. It can be purchased for 1,000,000,000.
Watermelon Robot, Mining Simulator Wiki
Tools, Mining Simulator Wiki
Candygon, Mining Simulator Wiki
Mythril, Mining Simulator Wiki
Larimar, Mining Simulator Wiki
Crystal Cuboid, Mining Simulator Wiki
Tools, Mining Simulator Wiki
Hydra, Mining Simulator Wiki
Crystal Egg, Mining Simulator Wiki
Elite tetsu wakizashi - The RuneScape Wiki
The Overworld, Mining Simulator Wiki
Chromite, Mining Simulator Wiki
Cosmos Scepter, Mining Simulator Wiki
Bones, Mining Simulator Wiki