Symbol of LaughterSource Advanced Class Guide pg. 196 School enchantment (charm) [mind-affecting]; Level arcanist 4, mesmerist 3, occultist 3, sorcerer 4, witch 4, wizard 4CastingCasting Time 10 minutes Components V, S, M (mercury and phosphorus, plus powdered diamond and opal worth 1,000 gp each)EffectRange 0 ft.; see text Effect one symbol Duration see text Saving Throw Will negates; Spell Resistance yesDescriptionThis spell functions as symbol of death, except that all creatures within 60 feet are affected with uncontrollable laughter (as hideous laughter) for 1 round per caster level.
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.
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