One of your character's limbs vanishes, leaving behind a smooth area that appears as if it never had a limb to begin with... Optionally: The missing limb can become "spectral", leaving behind a ghost imprint of what once was there. This ghost limb can be walked on/used normally.

There is theoretically no limit to how many limbs can be affected, but it would be a bit weird if your character just had... no legs...

(This trait can affect other areas that aren't limbs, such as tails, ears, horns, etc. Please make sure the phantom area matches the trait listed on your character's trait list!)