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

This time, inside the beautiful castle, Merlin carefully looked around with his Mind Power and discovered that the void surrounding the castle was actually a thick layer of ice crystal. Even the ground underneath consisted of a thick layer of ice crystal.

The entire castle seemed to be contained in a frozen subspace.

Merlin was truly amazed. The tactics used by Great Wizards were far from what he could possibly comprehend.

"Merlin, come in. I'm inside the castle!"

Wizard Mogan's voice rang in Merlin's ears so he quickly pushed open the castle doors and walked into the hall. Inside the hall, Wizard Mogan's eyes were closed shut and he was sitting quietly in the chair.

"Teacher Mogan, what happened to the mysterious Legendary Wizard?"

The Secret of Six-Elemental Wizards