AranSesta style. A dark fantasy art painting depicting a group of dark knights on horseback, armed with spears and shields, galloping through a stormy sea. The riders are shrouded in darkness, with glowing green light emanating from their helmets and armor, creating a dramatic and ominous atmosphere. The horses are galloping forward, with riders following closely behind. The background is filled with swirling green and blue hues, and the scene is further enhanced by a glowing, ethereal light source emanating from the horses. The overall mood is ominous and foreboding, with a sense of urgency and danger.