Stonemasters, attracted by the majesty and intensity of rock, have learned to hone their ki in order to become harmonious with and masters of stone. 

Trained Climber

Stonemasters spend hours of their time learning to climb rocks, the primary way in which one gains mastery over stone. You gain expertise in acrobatics checks and have a climbing speed of 30.

Boulder Strength

Years of training amidst rocks and boulders has given you above average strength. Unarmed strikes deal extra damage equal to your strength modifier. At level 11, unarmed strikes deal damage equal to twice your strength modifier.

Supernatural Climber

You may use 1 ki point to cast Spider Climb.

Stone Form

The stones recognize your mastery. Starting at level 6, you may spend 1 ki points to cast the Meld Into Stone spell; in addition, you may spend 2 ki points to enter into your stone form as an action. While in your stone form rocks form a covering over your hands and part of your head. Your stone form lasts 1 minute. While in your stone form you gain the following benefits:

• You have resistance to bludgeoning, piercing, and slashing damage.
• You may spend 1 ki point to double the bonus you receive from Boulder strength.

Earth Whisperer

Once per short rest, while in your stone form, you may cast Bones of the Earth. You may also speak to rocks. Lol. 

True Stone Master

The stones WORSHIP YOU. When you enter your stone form, you have advantage on all unarmed strikes.