Cripple Lab-rat Journey to Apex

in his past live he was named subject no.1452 , he was poor orphan beggar which got caught by shaddy science organization, his body has been modified with ehancement serum, he learned everything from math, science, social, economy, everyrthing. he was also proficient with all kind of martial arts and skill be it close combat or ranged ones. he thought he could finally be free as he planed to break out from the facility given his imense knowledge, yet he failed. not because he was caught but because his body finally succumb to its very limit after aborbing immense knowledge. now, he became another child beggar but heaven doesn't close its window as he brought all of his immense knowledge and body constitution to the new world, the world with sword and magic. how our protagonist break out from his predicament and what lies ahead of his journey?