Dest, Bomb, and Singularity would be considered banned. Warp is also kinda strong but it's ok I guess.
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I don't think I've seen a bomb that could create negative pressure but yeah that would work.
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really just need some plasma and negative pressure
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If help is needed you could either change the "Gravity Simulation Mode" to "Radial", or you could change the "Edge Mode" to "Solid".