MTL - Age of Mysticism - Chapter 447 riddle

After dying a pathetic death as an overworked office drone, I woke up reincarnated as Archer—the bastard prince of the Brutish Empire.My existence is a royal secret as My father, the King, would rather pretend I don't exist. My half siblings get royal treatment while I'm hidden away like a dirty secret.But I have a secret of my own. I was OP.By age two, I realized monsters flee from my stupidly OP mana. By age ten my mana could level cities—if I dare to unleash it.When my half-sister is kidnapped by the demon king, I finally decided to step out of hiding to become the strongest in this new world.

All Things of this World, Turn to Ashes, Flowing Blade-like Flame!

Crossing over to the world of pirates(the one piece world) , in the era of pirates, the Roja from eleven years ago obtained a Sword Soul system that lets him strengthen infinitely and extract various kinds of skills.

Flowing Blade-like Flame (Ryūjin Jakka) , Mirror Flower, Water Moon (Kyoka Suigetsu), Moon Fang Heaven-Piercer (Getsuga Tensho), Thousand Cherry Blossoms (Senbonzakura)……

“If this sword descend, you may be roasted to death.” Roja looked at Akainu in front of him and seriously said.

- Description from novelupdates

Five years have passed since the Elves invaded Earth.

The poor and criminals of the Republic of Ascaria are forced to join the ranks of the soldiers on the front lines while the rich and high-ranking government officials hide behind walls.

Erend Drake is a young man who must go out and fight so his family can live in a squalid shelter within the walls.

One night in the battle Erend had to die because he was killed by the Elves.

But suddenly he wakes up the next day with a mysterious power.

[Congratulations, you have been chosen to be the holder of Systema.]

[Please choose the available skills]

[ Dragon Armor ]

[ Dragon Claw ]

[ Dragon Eyes ]

[ Dragon Wings ]

[ Fire Breathing ]

Erend did not expect that he would become a Dragonborn. The strongest race feared by the Elves and the humans.

____this story sets in Japan that developed a little different history from yours.

This is how a Japanese Princess relieves her stress of the day by using the latest VRMMORPG, and while playing the villain there, the first town turns into whirlpool of chaos, smashed the underground organization in one hand and went for a coup. It’s literally a playtime diary of a girl who is called as “Genocider-san”, “Roaming Last Boss”, “A different person plays the game”, “Raid Boss”, “Ruthless”, “Calamity”, and such by the players.