Poison is one of the ninja cyborg army of a newly seated Emperor, Her hands were amputated and replaced with a robotic arms, it is made of the hardest type of steel, to her shoulders, wires are inplanted that is connected to her belt that contains vials with poisons, just a scratch or small puncture from her fingers surely can secrete the deadly liquids however it is just limited, still, her fingers can serve as her sword and shield, she is very deadly in close range combat because of it. her mask were screwed to her head, her eye covering can give her x-ray vision and night vision. Inplanted to her head was a mechanized artificial hair, on the tip of it was a crystal that can produce laser beams that can cut through from skin to metals and steels, it serves as her weapon for long range combat, bones from her knees down to her feet were replace by stainless steels so that she could endure faster running and high fall from jumps and other foot skills, other parts of her body is not replaced or inplanted by steels so that she could have light weight for faster and free moving. Her real name was Yumi, once, she was a highly skilled medical ninja in her clan until she is abducted and turned into a ninja cyborg army, she no longer remember it for her memories were erased on the process.
Head – ML Spider Woman
Body – ML Psylocke
Arms – ML Lady Death Strike
Fingers – Needle, Hair – Sculpted, Hair Extension – twistees from the boxes

I'm not good with background stories, sorry! :) soon I'll post Yumi.