Magister's Amulet?

This one really lack directions. You have to go to the tower's library (the area blasted to hell with all the floating books) go to the opposite wall of you arrival point; where you were ambushed by spiders the first time you were here. There should be a ladder to get down a level, hang around using cautious mode until you detect a floor rune. Have a character step on it; it will highlight another one, and so on and so forth (all runes are within a few meters from each others) The last rune reveal a small chest. Be prepared, when you touch it; you'll be jumped on by 4 air elementals. They're beefy.

Note: If you did the other side-quest (study the Crown) first; this puzzle may be glitchy with the last rune not appearing: you need then to exit the zone back to the world map and re-enter to reset it.

I hope the developers read this since I got the glitch and had to reload.  Also, two of the air elementals did not attack.  They spawned near the first runes that opened the doors to the crown room.

It was also very hard to target them.  I had to use their portraits to target.  

Thank you.

So helpful. Thank you. Had the same problems with having to leave the area and mobs not being targetable except portrait and not attacking.

There are many, many areas in this map that are not flyable that should be flyable. You ought to be able to fly over the empty space (which would solve the problem of the elemental spawn), and you also appear to be unable to fly over gaps that would be jumps.