Range 20 ft.
Area 20-ft. radius spread centered on you
Saving Throw none; Spell Resistance no
Sonic spells and effects and audible bardic performances have no effect in the area. Their durations continue to elapse.
Sandy Petersen’s Cthulhu Mythos, © 2017, Petersen Games; Authors: Sandy Petersen, Arthur Petersen, Ian Starcher.