The Priest And Menalt's Head
Starting the Quest
Quest given to you by the NPC Nistracolamus at (2, -12).
Step 1 : Discover Xelor's map
Go to Xelor statue (0,-19) and talk to NPC there then return to Nistracolamus and talk to him again.
Step 2 : Go where the Infinite and the Void meet
The symbol is infinity so we turn infinity 90 degrees and minus the second to get (8,-8) which is Astrub Meadows. Go there and talk to NPC named Arpagnagrobis who looks like a Perceptor and receive a book called "How to Travel Without Ever Losing Your Way"
This quest now ends here, Rewards : 266 XP, "How to Travel Without Ever Losing Your Way"