1. No, their legs don't make them invincible. 2. It'll make it so they won't break their fucking legs 24/7, considering they shouldn't feel that in the first place, maybe except for certain PCU Assets like Grunts or Wall-Hammer. 3. Alongside this, add more vials if this doesn't get accepted for OTA.

What about rappelling? Why would you if you can jump off the citadel and live, I’m assuming you mean ta can’t break there legs