Kills anything even Longcat. If you are too close, it will kill you too, even in Free play mode.
Ways to make it
Type LHC then interact.
Hold toast and click a cat. Press the choice "use." Maxwell will go to the cat and it will turn into one.
Can be used to destroy enemies.
Sucks in anything that can harm you.
If used correctly, you can make the starite come to you or you float to the starite
In Super Scibblenauts, it destroys the whole level.
Dark Matter creates a floating ball that sucks stuff in and explodes when things touch it in Super Scribblenauts.