Meaning of "A Castle on the Sea" by Aviators

The lyrics of "A Castle on the Sea" by Aviators tell the story of a character ready to sacrifice everything to ensure the survival of civilization. The protagonist acknowledges the grim state of the world and the mistakes of the past but sees a glimmer of hope in the possibility of restoration. By offering their soul to another, they hope to redeem the errors of humanity and pave the way for a new dawn. The lyrics highlight themes of sacrifice, redemption, and the ultimate quest for salvation even in the face of darkness.