Shatter

School: evocation [sonic]
Circle: ancient 2nd, bardic 2nd, divine 2nd, occult 2nd
Spell Components: V, S
Action Time: 1 action
Range: medium
Shape: radius (medium)
Targeting: all (radius)
Base Duration: instant
Saving Throw: fortitude half
Spell Resistance: yes
Ritual Components: quality bell

Causes the area to erupt in cacophonous noise, dealing 1d4 sonic damage/level (max 6d4) and deafening targets who fail their Fortitude save for 1d3+1 rounds, increasing to 2d3+1 rounds if they are wearing metal anywhere other than held equipment.