Invincible! This person has lived for a billion years - Chapter 800 Fireball Spell？!

King Grey has unrivaled strength, wealth, and prestige in a world governed by martial ability. However, solitude lingers closely behind those with great power. Beneath the glamorous exterior of a powerful king lurks the shell of man, devoid of purpose and will. 

Reincarnated into a new world filled with magic and monsters, the king has a second chance to relive his life. Correcting the mistakes of his past will not be his only challenge, however. Underneath the peace and prosperity of the new world is an undercurrent threatening to destroy everything he has worked for, questioning his role and reason for being born again. 

A hero must be compassionate, selfless and courageous.But that isn't all. Because a hero must also be powerful.In this world, power is everything. Strength decides who gets to save lives and who's left with community service. That’s why I was nothing — a rank 50 E-Class reject, skating through the streets, saving what little I could while the real heroes battled gods and monsters.Then one day, I died. Almost.Dragged into the abyss, I was given a second chance: the Forever Core. An armor that evolves. A system that never stops adapting. Every battle, every hit, every mistake, I come back stronger.Now, the monsters that once crushed me can’t kill me the same way twice.I must adapt. Evolve. I must grow stronger and fight harder. Because humanity is worth fighting for.Even if I have to burn every villain alive to prove it.

Blondina was a princess with commoner blood in her veins. She lived quietly in the Star Palace among the heavens, but one day, she heals a wounded cat. The cat became a balm to her lonely life. But the lovely cat was actually…

***

Amon stepped on the neck of the prince.

Amon eyes stared coldly at the prince.

“Humans dare threaten mine?”

“I didn’t know… I don’t know, it’s Blondina…”

“Yeah, I don’t know. But I don’t know either. How much power must be adjusted so that you will not die.”

As Blondina, who was watching, grabbed his collar to drag Amon,

Amon turned slowly and laughed at Blondina.

“Don’t worry, Blondina. I will kill anything that bothers you.”

***

What to do with him.

It seems that I picked up a scary creature without my knowledge.