Final BOSS: Start with the Guard

I was accidentally electrocuted while playing a game and entered the game. And I have different NPC templates, but why can't I go offline? Can I really just be an NPC? As I slowly grew up, I unexpectedly revealed the biggest secret. It turns out that this is a real world, and it will slowly merge with Blue Star. But after growing from a guard to the ultimate BOSS, can he, who is invincible in the world, be able to end this troubled world? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.