Welcome to the forum!
If your looking for help with level editing, look
here.
More specifically,
here are videos for all sorts of KS stuff, including shifts and signs, and
here is a PDF manual KS in general. Again, it covers shifts and signs.
As for the level, do you have any screenshots, or a more in-depth explaination of the storyline?
I don't fully comprehend the "Heo + Reo" thing... reminds me of Romulus and Remus.