The shape of the creative detonation was-is dual. One, it was the Explosion, its eruption might was vectored, directed outside. Everything implodes inside itself. Overlapping of timespace's forms, stuffing everything in one spot, being absolute entity, nothingness - it causes the detonation. When two different forms, different places meet in one place by any accident, there is detonation by absolute density.
Density is weight.
When particles are thick, the substance is heavy. The World couldn't have begun, since Time doesn't influence the All-Nothing. Existence of Time is not absolute. But, like all else, it is only in some connection. That's why Existence couldn't have begun.