You can access a pocket demention of 20+(10 / positive DoC mod.) square miles. You may transport up to your Carrying Capacity to and from the demention at will.

Roll a 1d20

1-19 This demention is Einsteinian and functions exactly like this world.

20 This demention is non-Einsteinian and does not function exactly like this world (Some examples are no laws of Thermodynamics, Water molecule no longer in H20 form so that washing off dirt is impossiable and a number of other abnormalities.)