Shadow on the Moon

Anyone who could construct a stable Spell Model could become a Wizard — that was the Wizards' ultimate secret! Having been given a new life as the son of an aristocrat and armed with a super quantum computer from his past life, Spell Models game as easily as breathing to Merlin. With this overwhelmingly huge advantage, would Merlin become the greatest Grand Wizard of all time?

EndlessFantasy Translation 

A Wizard's Secret

J_Squared

Merlin came to the Mind Tower. Merlin was filled with confidence this time while he looked at the lofty building.

The Mind Tower was wondrous indeed. Previously, Merlin had merely made it to the ninth floor, and his Mind Power had grown many times over. Thanks to some techniques he had learned on the ninth floor, he was able to break through to an Eighth-level Mind Heart in just a few months. The benefit brought to a Spell Caster's Mind Power by the Mind Tower was hard to imagine.

This was a technique that only the Ultimate Arcane Wizards possessed. Other than Arcane City, other places, even places managed by Honored Legends, would not have something as mystical as the Mind Tower.

The Legend Zado