Unless their Emperor, He-El, had returned!
The Guardians of the Universe all understood clearly that New Krypton, under Zero's rule of cold rationality and pure calculation of interests, would not dare kill Lobo Rob.
New Krypton feared that the Oa Star Pan-Stellar Domain Alliance would launch a full-scale assault and completely eradicate New Krypton.
The Guardians of the Universe of the Oa Star Pan-Stellar Domain Alliance also feared that New Krypton would choose mutual destruction at all costs, directly destroy Earth, and expose this universe to antimatter erosion.
New Krypton and the Oa Star Pan-Stellar Domain Alliance had remained locked in a stalemate from the beginning, for nearly a century.
The Oa Star Pan-Stellar Domain Alliance established by the Guardians of the Universe had no way to break that stalemate or seize Earth. They could only slowly boil the frog, gradually wearing down New Krypton's military strength and resources.
After all, the resources of one Solar System were limited. The Guardians of the Universe, who had lived since the dawn of the universe for untold ages, believed that with prolonged attrition, New Krypton would sooner or later be gradually devoured.
Naturally, that would take a very long time.
Naturally, the Guardians of the Universe did not know that New Krypton possessed worlds such as the Shinigami World and the Three-Body World, worlds that supplied resources beyond all reason. In the end, New Krypton would only grow stronger through war, producing more and more stellar-level powerhouses.
The longer time dragged on, the more advantageous it actually became for New Krypton.
The information gap would render the Guardians of the Universe's schemes useless and leave the Oa Star Pan-Stellar Domain Alliance with no burial ground.
It was simply that He-El felt there was no need to endure such humiliation and drag things