It's my promise I did for you

"After his disappearance, our town suffered against the horrible waves of monsters of all kind... We lost our hope, we lost our protector, and I lost my friend. But I make an promise to him. The last time I saw him, he was going to confront this big mansion far away from our peaceful town. I will keep my faith, and I shall save you from this predicament, may God give me strength and protect me"