User blog comment:The Purple Orange XD/What do you want in RTTE season 4/@comment-27609869-20160716233444/@comment-24413325-20160717142430

Mine is from the HTTYD 2 Zinepak. Which is also the true map that Hiccup used in the movie, just compare them and you'll see. Also Dark Deep and this "Tribe of Greens Island" are on the exact same spot, which means that it is Dark Deep. Its shape is also the same.