This weapon is for a thief character  poke5869 is gonna make in the future.
This blade is capable of producing a thick black smoke which can blind opponents, and a cooling mist which can slow down opponents due to the rapid temperature drop. It’s also able to fold in half for concealment and portability. When the blade is plunged into the ground, it creates a layer of slippery ice which can cause any pursuers to slip and fall on their butts.

Art by me
Gift for  poke5869