BWbear

After crossing over into a world of magic, Dean Bruce was mistaken for a powerful sorcerer. Though he initially intended to sternly refuse the beautiful woman’s request to become her mentor, she offered him far too much to say no!
Completely clueless about magic, Dean Bruce had no choice but to make up spells on the spot. However, when he saw the astonishing power unleashed by the beautiful woman after chanting his random incantations, he was stunned.
The spells he had carelessly invented… could they really comprehend magic and even forbidden spells?
As Dean Bruce ascended to the pinnacle of magical prowess and became the Archmage, he candidly answered a reporter's question during an interview with the Alliance: "I never understood magic. I just made up a few incantations, that's all."
People were in awe of him—this, they believed, was the true humility of a Grand Archmage!

I Made Up Forbidden Spells, and They Actually Worked?

"System Notification: Due to the host's guidance, Lucy Michelle's understanding of the high-level spell Wind, Forest, Fire, and Mountain has improved. Congratulations, host, you have received a reward of 80 Supreme Mage Points! Additionally, the host's comprehension of Wind, Forest, Fire, and Mountain has increased to ten times Lucy Michelle's current level!"

"Hmm?" Dean Bruce was taken aback when he suddenly saw this notification. He muttered in surprise, "Why didn't this effect trigger before with Joan or Nicholas?"

"Response to host: Previously, your teaching didn't lead to further breakthroughs in their understanding of the spell. This time, the result was different."

Upon seeing this answer, Dean Bruce finally understood.

Chapter 71: Teaching Magic Once Again!