Illiantra was captured and tortured by a rival Drow House. Her limbs got torn off, eyes burnt out and scarred for life, and as a form of mockery, they got replaced by arcano-mechanical alternatives which none worked.

After being of no use to her enemies, she got thrown into a swamp where she was supposed to rot and die but somehow managed to crawl out.
With the help of a local artificer, she got to make her new body parts function properly:
Prosthetic Arms, Special Lenses, Exterior Spine, Mechanical Legbraces and Artificial Liver.

As she’s already naked and exposed, there’s this second version with correct body anatomy, aka a nipple: