Demon king in novel

Ahhhh "

I opened my eyes and found myself in a deserted, destroyed place. The smell of mold was emanating from the place I was in. I rubbed my eyes.

I thought I was imagining the situation until suddenly a strange sign appeared in front of me floating in the air. It said, "Welcome to the world of destruction..." What, the world of destruction? No, you're kidding, right? I'm dreaming. Yes, I'm just dreaming. It seems that I was affected by this novel so much that I started dreaming about it, so I slapped myself.

Aaaah, but did I feel pain? Hey why do I feel pain don't tell me really I was transported to the novel but who dares to do this I am a demon king I don't think there is anything that can transport my soul okay let's stop thinking about this so I redirected my gaze to the floating board in front of me I didn't know what this thing was so I touched it nothing happened but suddenly it started about 5 seconds the floating board in front of me started emitting a bright light then the light disappeared and in front of me appeared writing on the board saying the information will be transferred to the user

[Transfer to start] *10.25.75.90.100*

then I started to transfer to information about everything I started to read and understand everything about the board in front of me called.

Existential System "Well after the situation calmed down and I understood the information I remained silent for a while I smiled bitterly because

I just finished the war that lasted a million years and because I am here in the middle of another what to do now I have no choice so I decided to check my physical condition so I said "System" A board appeared in front of me

[Neme: Arnos Salvador ]

[Former Demon King ]

Level[01]

[Strength: 22%]

[Magic: 100%]

[Mana Heart of the Lion of Destruction: Control 70%]

[Intelligence: S]

[Eye of Destruction: Locked]

[Regeneration: 2%]

[Summoning of the Castle of Delsgidu: Locked]

[Magic Sword of Destruction: Locked]

[Luck 25%]

"Well I felt that my strength all everything I have has become weak except for "magic" unfortunately I have to train because the heart of the Lion of Mar will destroy my body and soul as well if I don't strengthen my body fortunately this is somehow better than sitting in the Demon Castle without doing anything Something and this is a chance for me to watch my favorite characters specifically in the Demon Queen and the hero I want to know who is stronger I am the Demon King or the Demon Queen of this world just thinking about that made my soul and body shake with excitement and okay now I have to get out of the deserted place first