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?

Feeling the significant loss of Red Sun Fruits from its back, the Black Turtle was consumed with rage. Its eyes turned a deep crimson as it prepared to charge out of the cave.

"Stop right there. This time, it is not your fault."

Suddenly, a mournful voice echoed through the cave, causing the Black Turtle to freeze in its tracks, its eyes immediately filling with fear.

Trembling, the Black Turtle spoke, "Master, I am unworthy. I failed to protect the Red Sun Fruits!"

The voice responded again, "It is not your fault. Just keeping the Red Sun Sacred Tree safe is already a great accomplishment. I will return in some time. Endure this last stretch for me."

Chapter 44: Dragonheart Pendant's Advancement, The Power of Wind, Forest, Fire, and Mountain!