Stone Skin

You concentrate for a moment focusing on the elements. Your skin becomes hard as stone.

Taking this feat you gain a +1 to any ability score of your choice permanently and the Stone Skin ability.

This is an activation ability. (Bonus Action) Last 2 rounds. 

Your AC becomes 18 and you take half damage to bludgeoning, piercing and slashing damage until the effect ends.

In addition, you gain an extra 2d10 damage to your unarmed attacks.

This ability can not be stacked with any other Monk feat skins. 

At Higher Levels: 8th you can add your dex modifier to the AC and you gain extra 1d10 to unarmed attacks while stone skin is active. 12th level add an extra 2d10 to unarmed attacks while stone skin is active.