[added] Tower of Frozen Shadow (sublevel)

[cooldeath]

I couldn't find the original maps to base a name off of, so i made up a DDS that I knew would not conflict with the internal name thus the 04 at the end.

Yes both map images are the same and could probably use the same image.

Adding this type of map is new to me because of the already existing in game ones, so that's why things might be a little screwy.

I'll check it out to see if it works.

*edit*
both maps tested out fine.