It is possible to cross the slime as many times as you want, as slow as you want, no strafe, even walk, with guaranteed zero damage.
Damaging floor mechanics are explained in a video by decino:
https://www.youtube.com/watch?v=3iBlwsh8I2g
As to lack of coherence, and difficulty, this is a secret map, which are hard, unusual, and we agreed to have “gimmicks”.
I do like your idea of lowering the imp-latforms one for each wing.
