You have to find a way through the chamber, without entering any portal.
The Compass that you’ve obtained two floors below will help you do that.
After some trials, the portals will match the road on the map and you will reach the end.
[1] Sack: Food X4
Twisted Passage is the second floor of the Castle Nex.
Here, again, you will have to solve a riddle to get to the next floor.
Simply stand on the squares where there are no invisible portals, teleporting you to the very beginning.
After stepping on each square, the compass will show you were not to turn.
you might also use a map, which will show you one of the ways to an end.
There is a crystal of life and a bag with food at the end.
