I Fell into the Game with Instant Kill

Tags: Calm Protagonist, Clever Protagonist, Conditional Power, Demi-Humans, Demon Lord, Demons, Depictions of Cruelty, European Ambience, Fantasy World, Game Elements, Handsome Male Lead, Kingdoms, Loyal Subordinates, Male Protagonist, Manipulative Characters, Misunderstandings, Multiple POV, Overpowered Protagonist, Schemes And Conspiracies, Special Abilities, Transmigration, Transported into a Game World, Unreliable Narrator, Weak to Strong, World Tree