Air style: pressure damage

as a bonus action This spell begins gathering and compressing air into a single point in space until a tornado-like mass is fully compressed within. as a action it is Released and the pressure flows outward The blast hits any creature within a 40 ft line, inflicting massive damage on both the targets in the line and their close surroundings dealing 7d6 force damage.

Can make the ground difficult terrain (dm discretion)

This technique can also be combined using ready action with another fire style/release spells to maximize the damage dealt with that fire spell