The Annihilation Tower Wizard Academy's five-hundred-year protection period had ended.
From this day onward, the Annihilation Tower Saint Wizard became an officially registered Saint Wizard of the Two-Ring Holy Tower. Its Source of Magic stood upon the Wizard Continent, accepting the corresponding responsibilities of protecting its own Source of Magic: sheltering the many human commoners within the wizard tower's territory and carrying the Wizard Civilization forward.
Two-Ring World, inside the Holy Tower.
Generally speaking, the first thing every newly advanced Saint Wizard did was make a Saint Mark Contribution, exchanging their own knowledge for resources from the Book of the Holy Tower. This served as startup capital for their first Demon-Hunting Expedition; with the Source of Magic as their foundation, they embarked upon the journey of the Saint Mark path.
Yet Green was a wizard with abundant resources, and because of his special method of advancement, he had begun his Demon-Hunting Expedition career before the wizard tower's Source of Magic had even been completed. He had even organized a large-scale crossworld invasion through his own strength. As such, he did not care much about obtaining resources through Saint Mark Contributions.
What Green cared about was the ritual of inheriting wizard knowledge within it.
"<Concept for the Mirage Desire Realm Spacetime Sealing Art>, <Verification of the Four Layers of Shackles at the Pinnacle of Human Cell Evolution>, <Annihilation Force Attack-Power Calculation Equation>, Green's Fairy Tales Instance, Titan Xiahe Civilization—all of these are extremely advanced Saint Mark system knowledge. From this day on, I can be said to have left my own mark upon wizard history."
Green stood upon the Two-Ring Knowledge Trade Balance, writing out his Saint Mark Contribution Elemental Book word by word. As more and more of Green's handwriting appeared, the balance on his side sank ever lower. This