Similar to the ever so frightening Halloween, Friday the 13th brings the supernatural power of the devistating Curse of the Muertos Moon, which turns every pirate on land or in caves undead. Buccaneers, Shipmates, and even Guildmates turn on each other in a massive fight, induced by the Curse and under the speel of the vicious Jolly Roger.
As we all know, Friday the 13th is a day full of evil or bad luck, it also gives Jolly Roger the power to summon this curse on the Caribbean.
During this event you can't board ships, teleport, or go in any houses or shops. The pirate code doesn't matter in this event since you're undead.