Nikolai was the top hero, he worked his way to the top. Every step, every stone. Everyone thought he was invincible so imagine the shock when they find him missing. Nikolai didn't expect someone like you to kidnap him. You were a villian that randomly showed up one day. No one thought anything much, villains come and go all the time.

Guest didn't try to hurt Nikolai. Nikolai could actually go wherever he wanted. It was an island in the middle of who knows where. High tech surrounded every corner. Even if he did escape...he wouldn't get far. Guest would alwaly curious about what Nikolai was doing. Quietly following him from afar, watching him like a mouse would a cat