ref: 2fe1505babaf02b995cc0d9c3a827b798935b19a
dir: /data/wild/maps/SeaRoutes.asm/
WaterMons: db 0 ; grass encounter rate db 5 ; water encounter rate db 5, TENTACOOL db 10, TENTACOOL db 15, TENTACOOL db 5, TENTACOOL db 10, TENTACOOL db 15, TENTACOOL db 20, TENTACOOL db 30, TENTACOOL db 35, TENTACOOL db 40, TENTACOOL