Buffed or modified body parts

Hey guys, I wanted to do a bodymodel like hulk or something like that (extremely buffed) as well as a 8ft wingspan guy and that kinda stuff. Anyone knows how to do it?

you have to do a combination of edits in blender and editing the appearance_info.RDAT inside the png.iff file.
You don't necessarily need to do edits in blender but it helps

bro how to edit apearance_info.rdat file on changing base scne file and apply another hair file bro. .im missing steps on modding bro