The life core was everything. It was the creator of the Celsti and the Daikura, of planets and galaxies, of the universe itself. It was the universe before the universe, simply floating in Blank Space. Following its destruction in the Celstian War, it created the universe, in an event known as the Split or the Big Bang. When they landed on water planets, they caused landmasses to form. Pieces of the shards that still contained Tenebris, known as gems later would land on Ourea many, many years later.