War god's wrath

 You channel the wrath of the god of war, slamming your weapon into the ground with such force that you create a tidal wave of force so powerful that it creates an actual force wave dealing 12d6 Force damage upon impact. however due to this tremendous force you must succeed on a constitution saving throw of 17 or higher or get stunned for 1d6 rounds.

it deals 6d6 damage to whatever object or building is within the cone of force

each creature within a 30 feet cone of the initial target must make a constitution saving throw as well or get stunned for 1d4 rounds