Ontological manipulation is the alteration of the fundamental rules that dictate how concepts, mathematical or otherwise, manifest themselves in reality, such as the translation between the abstract laws of physics and the motion of particles, or translation between the will of a cosmic entity and alterations to the -verses they influence.

Civilisations and entities with access to this technology are incredibly potent, able to alter the very rules by which they operate into forms more convenient for themselves; typically, entities at around this level influence significant parts of their monocosm, or soon will (insofar as "soon" is a meaningful concept).

Further development of ontological manipulation techniques is one of the paths to omnipotence; the key insight is the entity discovering how to manipulate the ontology of its own ontological manipulation, a nontrivial task which has a significant risk of completely erasing the entity altogether.

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