Sonic Burst

School evocation [sonic]; Level bloodrager 1, druid/shaman 1, magus 1, sorcerer/wizard 1

CASTING

Casting Time 1 standard action
Components V, S

EFFECT

Range 15 ft.
Area 15-foot-radius burst centered on you
Duration instantaneous
Saving Throw Fort half (see text); Spell Resistance yes

You explode in a concussive force that deals 1d4 sonic damage per caster level (maximum 5d4). Additionally, on a failed save, each creature is pushed back 5 feet. If the save is failed by 5 or more, they are pushed back 10 feet instead.