UA:Momentary Alteration (Feat)
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 Momentary Alteration [Spelltouched]
You can briefly transform yourself into a second form, acquiring its physical qualities.
Exposure to alter self spell.
You can gain Momentary Alteration multiple times. Each time you take the feat, you can either extend the duration of an already chosen alternate form by 1 minute or choose another specific form from among those you've experienced after casting alter self on yourself.