Use mother's sorrow instead.
So many of you have heard this time and time again. I have been farming Arx many many times just for this 1 single piece of item. Yup, you guessed it right. The elusive Medusa inferno staff.
So far I have found a Medusa lightning and Ice staff.
My question is, what would be the next best thing if inferno staff is not available? Should I use the lightning or ice staff?