Child of Light - Volume 12: Chapter 21 - Soloing the Three Great Monsters

He is a young man without a spirit root. It is believed that this denies him the chance at cultivation. However, a mysterious lady imparts a Supreme Demon Classic to him and from then on, he starts his path of cultivation.
He undergoes a total transformation to emerge as the most fearsome and powerful fiendish demon in his era, that even immortals and fiends are fearful of him, and saints are at his beck and call.
Mastering the Supreme Demon Classic is the turning point in his life. He is able to unleash his immense and divine power from within, illuminating the entire universe!

Blessed with unlimited mana, Noah travels the worlds and sees rampant corruption and injustice.

A continuation from where High School DxD Volume 25 left off.

"Five years! Do you know how these five years have been for me?"

It had been five years since Gongzi Liang was transmigrated to a fantasy world and had received the Legendary Gold System.

However, the system kept nagging him to top up every time.

[$3 for God's Ring, $6 for first-time reward, $18 for enhancement, $28 for God-tier Beast...]

Gongzi Liang could only look at all the god-tier rewards and couldn't do anything because he didn't have money.

But, he did realize that he could level up his skills and strengthen his body by using copper coins. It could save him 99.99% of training.

It wasn't even hard for him to jump a few ranks in one day.

He would also gain coupons by completing the daily missions.

Just like that, Gongzi Liang became obsessed with completing his daily missions...