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Formed of a long, thin twig taken from an oak tree, this wand holds 1d4-1 charges of True Polymorph, with a minimum of 1. These can be cast by anybody with a spellcasting ability who has spent at least one hour attuning to the wand. The amount of charges resets at dawn each day.
In order to increase the amount of times the spell can be casted, the wand appears to have been fitted with a bulbous, rune-inscribed iron band and has crack running along its length.
The modifications left the wand extremly unreliable. Each time a charge is used, the user must pass a DC 17 Intelligence (Arcana) check.
- If they succeed, the spell casts normally and the DC needed to use it permenantly increases by 1.
- If they fail by five or less, the spell will transmute the target into a Gibbering Mouther - a hideous lump of seemingly random limbs, organs and facial features. The creature will attack the nearest target mindlessly, babbling in dozens of broken voices.
This transmutation cannot be undone by any spell lower than 9th level and cannot be cancelled by ending concentration. The target can make a saving throw against this effect in the same way they would against a regular casting of True Polymorph. - If they fail by more than five, in addition to the above consequences, the wand explodes violently, dealing 1d12 force damage to all creatures within 2m for each charge remaining in the wand. This destroys the wand.