Hard Stone

 is a resource in the Mining Collection that can be obtained in Crystal Hollows by mining Stone after breaking structures, using Pickaxes/Drills with a of 4 or higher.

Collection
Note: Armor of Yog is also unlocked at (5), but it isn't listed

Trivia

 * You need a of 1500 to insta mine this block in the Crystal Hollows.

History
경질석