Can be summoned by any trans or gender non conforming person (cannot be summoned by cis gender people) 

It will swallow transphobes and slowly turn them into the opposite gender. This is to make them realize what gender dysphoria is like. If they promise to be respectful, he will change them back before releasing them. If not, he won't and you're stuck as the opposite gender

Will help trans individuals by changing them to the opposite gender, or desired gender, such as gender neutral