Casting Time: 1 action
Range: 30 ft
Components: V, S, M
Duration: Concentration
, up to 1 minute
Save: Wisdom
Conditions: Incapacitated
, Prone
One creature of your choice that you can see within range makes a Wisdom saving throw. On a failed save, it has the Prone and Incapacitated conditions for the duration. During that time, it laughs uncontrollably if it's capable of laughter, and it can't end the Prone condition on itself.
At the end of each of its turns and each time it takes damage, it makes another Wisdom saving throw. The target has Advantage on the save if the save is triggered by damage. On a successful save, the spell ends.
You can target one additional creature for each spell slot level above 1.
Material Component:
a tart and a feather
Verbal Component:
Maledictum Horribilis Risus
Verbal Component (Alternative):
A giggling curse of cackling chatter, a plague upon you, of uncontrollable laughter.
Classes: Bard, Warlock, Wizard, Rogue
Tags: Charm, Control, Debuff
Source: Player's Handbook (2024) (page 331)
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Other Planes and Effects
Below is information about this spell as it relates to other planes and area of effects (i.e. underwater). Some of the information is pulled official D&D sources (such as books and the twitter feeds of D&D officials), but other information is derived from forums and online discussions. As always, it is up to the DM to decide how they wish to handle spell effects.
Underwater - Verbal Component
Official rules have been verified by Jeremy Crawford - "No rule prohibits verbal components from working underwater. Keep in mind that if you're talking, you're not holding your breath." Hence, while submerged underwater and holding its breath, a creature can cast a spell that requires a verbal component. After casting the spell, if the creature can't breathe underwater, it immediately runs out of breath. The creature can survive for a number of rounds equal to its Constitution modifier (minimum of 1 round).
