Wherein I transplant Homestuck characters into the setting of Wind Waker. On Dave Strider's birthday, John's sister is kidnapped by a horrorterror, and the two join up with a band of pirates to get her back, setting sail for adventure across an endless ocean. Can they face down the terror of the Great Sea, the dark lordling Caliborn?

You agreed to do the favor. The Horrorterrors would, in turn, leave you alone. But the risk is worth less than the reward.