The Apex Formula (Isekai LitRPG)

Kevin, a normal man in his 20s with a mundane office job, yet his life took a worse turn. In just a split second, the norm is gone, replaced by a new world that might seems familiar. Armed with extensive knowledge of a discontinued game, he'll use it to fight against the very people that he once calls his own since he has no choice but to face them head-on. He will use everything at his disposal, tips, tricks, and bugs. It will all be for the sake of Kevin reaching the apex. He has the perfect plan in mind with a specific class already decided, but then "That" appears. A new unknown, yet it promises a path that will bring along great glory and astonishing power. An adventure of a lifetime as Kevin unravels the secrets of Dunia with his precise planning taking step by step heading towards the apex, all for the sake of staying alive and protect those who need it the most. His boundless wisdom might have helped him, but who knows, there might be some times he will slip up.