evocation sonic 

Traditions divine, occult

Cast [>] to [>>>]

Range 30 feet; Targets varies

Saving Throw basic Fortitude

You unleash a dangerous consonance of reverberating sound, focusing on a single target or spreading out to damage many foes. The number of actions you spend Casting this Spell determines its targets, range, area, and other parameters.

[>] (verbal) The spell deals 1d4 sonic damage to a single enemy, with a basic Fortitude save.

[>>] (somatic, verbal) The spell deals 2d4 sonic damage to all creatures in a 10-foot burst, with a basic Fortitude save.

[>>>] (material, somatic, verbal) The spell deals 2d4 sonic damage to all creatures in a 30-foot emanation, with a basic Fortitude save.

Heightened (+1) The damage increases by 1d4 for the 1-action version, or 2d4 for the other versions.

Secrets of Magic, page 96.