Dyogene was an Oan type of sentient construct that was classified as an unidentified type of lifeform that was created by the Guardians of the Universe at an unspecified time in the past. The entity remained dormant on the plant Oa with a residual command being left in the Guardians homeworld to activate Dyogene should their primary commandment being violated which was first formed after Krona brought evil into the universe. This was when a primal evil would be unleashed which was foretold to Sodam Yat that following the Guardians demise and the fall of the Green Lantern Corps, that which was forbidden would be unleashed once more with a great evil threatening the universe. Whilst Sodam Yat was aware of the coming calamity, he was unaware of the programming that the Guardians had left behi