You mastered techniques that allow you to efficiently fight barehanded. You gain these benefits:

• The damage of your unarmed strikes increases from 1 + STR modifier to 1d6 + STR modifier.

• You gain proficiency with improvised weapons. While wielding an improvised weapon with one hand, the weapon deals a minimum of 1d8 + STR modifier damage. While wielding an improvised weapon with two hands, the weapon deals a minimum of 1d10 + STR modifier damage.

• You have advantage on ability checks made to initiate or escape a grapple. When you start your turn grappled with or restrained by a creature, that creature takes bludgeoning damage equal to your STR modifier.