(監獄島) Prison Island is a location in Bobobo-bo Bo-bobo Dasshutsu! Hajike Rowaiaru, when the story's main plot takes place.
Main Article: L
(灯台): An immense tower with a swirling staircase. In the center of the tower, there appears to be a giant Serviceman. The bosses in this area are Dark Yasha's three-man team with Nice Guy and Ars, and Giga's team with OVER and Halekulani.