You may not have any eyebrow hair but you know how to get things done. You have mastered the art of the explosive. They sound of shock-waves is like a symphony to you, and you are ready to conduct that orchestra for your foes. You gain the following:
Increase the radius of any AOE explosive attack (grenades, rocket launchers fireballs etc) by 5 feet.
Your explosive attacks ignore resistances of damage type.
You may add your proficiency bonus to the damage of any explosive attack you deal.
You have advantage when attempting to disarm an explosive trap or device.