Ouroboro's Teleportation

Being a technique of the Geminus Anguium: Ouroboro's. It uses the portal that is summoned to activate the Ouroboro's, but instead of the can coming out, the user himself is instantly dragged in and telepoted to any place he desires.

The inside
The inside of the void is a world that can be shaped into anything at will, but its of the Ouroboro's, and the world is green and black

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