>>40792835 (OP)>esotericallyStop using this word as a catch all, you and most of /x/ sound so very stupid.
There is a MYSTICAL or MAGIC way to do it.
But to get to a point where you could use your internal to affect the external - you would have to become detached enough to a point where you no longer care about the dimensions of your external body.
It's Catch-22.
The only people that can change their body through pure will would never have any care about how the temporary flesh add-on looks.