This is just a basic map with the warp tiles to get from the entrance to the boss room.
There are also indicators for which chests are mimics and which contain items.

Chest Items:
1 - Antidote
2 - Ointment
3 - Scorpion Tail
4 - Salad
5 - Steak
6 - Antidote
7 - Bandage
8 - Salad
9 - Silken Robe
10 - Steak
11 - Ointment