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| Sevii Islands
| Nanashima region
The Sevii Islands (Japanese: ナナシマ Nanashima) are an archipelago of nine large islands and several small islands surrounding them far south of Kanto, and are home to several legendary Pokémon. They resemble the real-life Izu Islands and Bonin Islands. Their only game appearance was in Pokémon FireRed and LeafGreen, but they have appeared in various other media based on these games.
The nine Sevii Islands are located to the south of Kanto. According to the tenth movie's anime map, the Orange Islands are south of the Sevii Islands with New Island in between them.
The major seven islands each have a settlement, which are named numerically.
In the games
The Sevii Islands follow a trend set by Pokémon Gold and Silver, and provide most of the post-Elite Four plot in Pokémon FireRed and LeafGreen. The Sevii Islands sideplot actually begins as soon as the player has defeated the Cinnabar Gym and obtained the Volcano Badge. The first three islands, Knot, Boon, and Kin, are the only areas available until the Elite Four has been defeated, but the plot here is important for continuing the game. By retrieving the Ruby (and defeating the rival at the Indigo Plateau), the later islands are unlocked.
There is also a plot by Team Rocket based in the Sevii Islands. It deals with Pokémon evolution, and appears to be the prelude to a plot that is launched three years later. Only when the Team Rocket members realize that the player has already defeated Giovanni, who subsequently disbanded Team Rocket, do they give up.
The Sevii Islands is the only area in the extended Kanto region where Generation II Pokémon can be obtained; some Generation I Pokémon, including the legendary bird Moltres, have had their habitats moved here from their debut generation.
Some of the Sevii Islands used remixed themes from Gold and Silver as background music, such as the one from Violet City/Olivine City and Azalea Town.
In FireRed and LeafGreen, Sevii Islands are accessible from the Vermilion City harbor via a system of boats called the Seagallop Ferries. To be able to access Knot, Boon, and Kin Islands, one needs a Tri-Pass, received from Bill after defeating Blaine on Cinnabar Island. To be able to access Floe, Chrono, Fortune, and Quest Islands, one needs a Rainbow Pass, received from Celio in One Island, after defeating the Elite Four and obtaining the National Pokédex. To be able to access Navel Rock, one needs a MysticTicket, and to be able to access Birth Island, one needs a AuroraTicket, both of which can be obtained promotionally with Mystery Gift.
In other media
In the anime
The Sevii Islands made a fleeting appearance in the anime. They were the setting for The Search for the Legend: specifically Mt. Ember, which is located on Knot Island. This appears to have been overlooked by the translation team, and the English dub named the mountain "Mount Magma".
The episode dealt with the appearance and attempted capture of Moltres, which roosts at the top of Mt. Ember in FireRed and LeafGreen.
A mention to the S.S. Anne is made in the course of the episode; apparently the vessel used to travel there.
In the manga
The Pokémon Adventures manga series featured the Sevii Islands as the setting for the FireRed & LeafGreen chapter. This chapter focused on the original Pokédex holders searching for missing relatives, and incorporated in-game events from the Sevii Islands into the plot, such as the Deoxys event on Birth Island.
- Although there are only nine islands total, some data in the game reserved for location name index points reveal the following values:
- Sevii Isle 6
- Sevii Isle 7
- Sevii Isle 8
- Sevii Isle 9
- Sevii Isle 22
- Sevii Isle 23
- Sevii Isle 24
- These areas are not accessible during normal gameplay. All of them, save for Sevii Isle 8 and Sevii Isle 9, have no map data.
- The routes on the Sevii Islands are not numbered, unlike the other regions. This is likely to prevent confusion as to their relation to the others, as continuing where Johto left off (at Route 46, at the time the highest-numbered Johto route) would seemingly imply that Johto is accessible in the games.
- Even though HeartGold and SoulSilver are considered to be the sequels to FireRed and LeafGreen, like how Gold and Silver were sequels to Red and Green, the Sevii Islands do not appear in HeartGold and SoulSilver.
- Of the regions appearing in the main series games at all, the Sevii Islands appear in the fewest, appearing only in FireRed and LeafGreen.
- The name possibly comes from seven and the Roman numeral for seven, VII. The Japanese name Nanashima literally means seven islands. According to an old woman on Quest Island, they were named the Sevii Islands because they were made in seven days.