You must mean the action level, because the puzzle level seems like a dumb place to do that.
Don't remember how I beat the action level exactly, but I think it involved dropping campfires onto the ice blocks. After that I just flew over everything.
Riddles are stupid. Let's tell diddles!
did·dle 2 (ddl)
v. did·dled, did·dling, did·dles
v.tr.
1. To jerk up and down or back and forth.
Diddles:
Death
That's all I got for now.