Mystifying Forest has 14 floors and can be unlocked by defeating Dialga at Temporal Tower. As far as I know there is no DeepMystifying forest.
There are 13 floors in the mystifying forest.
14
I belive there are aroud 12 floors
13
13 or 14
14, careful...the ''master of all bad things" is on 15!
1 plus boss fight
Last time I checked, it was 14 floors then you encounter the MASTER OF ALL THINGS BAD. Or, at least on your first visit anyway.
There are nine floors in the Frosty Forest. However, you may continue directly from the Frosty Forest to the Frosty Grotto; the Grotto consists of five additional floors.
There are 99 floors in Purify Forest.
Answer:15 floors
There is 25 Floors