|Earth Release: No-Air Underground Prison|
This is underground version of Dono's Earth Cube Prison. As the name sugguested, it sinks Earth Cube Prison into ground, blocking every small holes, leaving prisoners to died from lack of oxygen. Dono use this jutsu when his prisoner(s) refused to cooperated with him such as giving out a valuable information. This is one of Dono's underground created jutsu, the other is Underground Hideout.