LGT(Leo's Games Tools)

Ur welcome buddy 

The Monster aka Enemies are the EMD Files, they are located in the BIN FIles in the Stage Folders. In the past I''ve asked Leo about those Files and how I can extract them. For now I have no clue how I've extracted them because I couldn't use BIOFAT in WIn7.  Which BIOFAT Version do you use?

About the Nemesis Porting - Why don't you ask Darkspyda? I really think he can help you with the Nemesis porting 

About the Rebuilder - I can't help you because it doesn't work on WIN 7, maybe you can ask  MarkGrass on the Horror is alive Forum - he is the writer of the tool you know?!