Talk to Esmeralda

Journal
''I used the mystical looking-glass in the monastery steeple and instantly found myself somewhere else! I seem to be in an inaccessible building below the refugee living area surrounded by three looking-glasses identical to the first. On the floor is a larger looking-glass surrounded by skeletons with ice-skulls... and a mirrored arrangement is on the ceiling! I should return to Esmeralda and tell her about my discovery. Now, which of these looking-glasses will get me back to the main Highvale Outskirts monastery...?''