Chapter 2436: Lightning Pupil! IOU! Heavenly Lightning Mountain! Challenge! (4)

However, much to his dismay, no matter how hard he tried, he couldn't succeed.

"Darn it, what kind of lightning power does he possess? It's unbelievable that I can't erase it," Tim exclaimed incredulously, his face contorted with disbelief. Then, with a grimace, he muttered, "Well, if I can't erase it, I'll just destroy this rock."

With those words hanging in the air, he thrust his fist toward the massive stone.

Boom!

A deafening roar echoed, yet from the stone erupted a dazzling burst of lightning, staunchly repelling his punch.

"The power of origin!" Tim's expression darkened further as he stared at the colossal stone before him, his heart filled with astonishment.

He hadn't anticipated that the dark-haired youth, to secure this IOU, would employ the power of origin. Moreover, this power of origin proved even more formidable than his own, which seemed inconceivable.

He was just a cosmos-stage martial warrior.