Deafening Shout

A powerful and insufferable shout that scraches into the ears of the ones who hear it, the shout makes 1D8 thunder damage and stun the ones within 10 ft for the next round unless they succed on a constitution save throw. If a creature is made of metal, stone, etc. or is wearing a heavy or metal armor takes an extra 1D8 damage.

At higher levels you can use slots level above 2 to add 1D8 damage.