There’s a reason League has always had a better competitive scene than DotA. All good sports are sort of simple and let the physical execution do the talking.
DotA has interesting depth but compared to League of Legends it’s not as good a game, it’s not as well designed.
You’re all fools.
All you need to do is shield the exterior of the section, seal, depressurize, and bring to room temperature, then fill sufficiently with the soapy water.
They need two halves of a large enough tube with a valve in one of them, and something to interface between the ISS and the addition.