Yes, it's that orb you have there!  Odd, it appears to be of arakkoan design.  Were you recently at Grishnath?$B$BAll right, that explains that, but I wonder what diabolical purpose this object serves.  Though it radiates evil, it also somehow feels as if it were connected to the natural world as well.$B$BHere, allow me to try activate it.  The evil is so strong within it, there's some sort of residual memory here....