Monks belonging to the Way of the Stone Fist have found a kinship with the earth they walk upon. Much like like their brethren of the Way of the Four Elements, These monks hone their skills with the elements of earth and stone. Much of the abilities these monks possess seem superhuman, such as tremorsense as well as performing feats of strength most monks can't perform.

Seismic Sense

3rd-Level Way of the Stone Fist feature

You've learned to hone your ki to sense vibrations in the earth. You gain 60 ft. of tremorsense. Additionally, as a bonus action, you can spend 1 to half your monk level Ki Points (rounded up) to gain an additional 60 ft. of tremorsense per ki point spent until the start of your next turn.

Ki-Stone Shuriken

3rd-Level Way of the Stone Fist feature

You can infuse a number of stones with the power of your Ki. During a short or long rest, roll 10 rolls of your martial arts die and gain that number of Ki Infused Stones. These stones are considered martial weapons and have the thrown property.

As a bonus action, you can throw one of these Ki-Stones at a creature within 60 ft. of you, dealing force damage equal to 1 roll of your martial arts die + your dexterity modifier. when you make a successful attack, you can spend 2 ki points to make 2 additional attacks. Any remaining Ki-Stones you have at the end of a long rest lose their infusion.

Concrete Discipline

6th-Level Way of the Stone Fist feature

You've diligently trained your body to withstand crushing weight and harsh terrain. When you make a Strength(Athletics) check, you gain a bonus to the check equal to your Wisdom modifier.

Additionally, you can move across difficult terrain made of earth or stone without expending extra movement, and you count as large when determining your carrying capacity and the weight you can push, drag, or lift. 

Fists of Obsidian

11th-Level Way of the Stone Fist feature

Your unarmed attacks can now be empowered Ki infused rock. As an action, when you're in an earthen environment or standing on a stone surface, you can spend 5 ki points to burry your fists into the ground and encapsulate your hands in stone gauntlets, gaining 3 temporary hit points for each level you have in this class. While your Fists of Obsidian are active, you gain the following effects:

• Your unarmed strikes deal extra force damage equal to 1 roll of your martial arts die + your wisdom modifier.
• You have advantage on attacks against constructs or structures.
• When you use your Stunning Strike, the creature is shoved 10 ft. backwards and knocked prone.
• When you use your Patient Defense, you gain +2 to your AC.

When you lose all of your temporary hit points, Your Fists of Obsidian ends.

Will of Adamantine

17th-Level Way of the Stone Fist feature

Your body, mind and soul have perfectly adapted to the earth, becoming a unstoppable force to all those that appose you. while you are conscious, you gain the following effects:

Iron Fist. When you hit an object, structure or construct with a melee or unarmed attack, the attack automatically becomes a critical hit.

Iron Body. You become resistant to force, thunder, and bludgeoning damage.

Iron Spirit. You have advantage on Strength and Constitution saving throws, as well as immunity to the petrified and paralyzed conditions.