PFSRD:Symbol Of Laughter
From D&D Wiki
|This material is published under the OGL|
Symbol of Laughter
School enchantment (charm) [mind-affecting]; Level sorcerer/wizard 4, witch 4
Components V, S, M (mercury and phosphorus, plus powdered diamond and opal worth a total of 1,000 gp)
Saving Throw Will negates; Spell Resistance yes
Unlike symbol of death, symbol of laughter has no hit point limit; once it is triggered, a symbol of laughter remains active for 1 minute per caster level.
Symbol of laughter can be made permanent with a permanency spell by a caster of 10th level or higher at a cost of 5,000 gp.