This magic liquid allows the one who drinks it to recover a lost limb.

Upon drinking this potion, the limb will grow again in a matter of seconds. However, if he or she is not sedated, the process will prove to be very painful.

After consuming the potion, make a DC 18 Con saving throw. On a success, you overcome the pain and are whole again. On a fail, you go into shock and fall unconscious as the limb is restored.