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ISL Ragnarok (ISL ラグナロク, ISL Ragunaroku?), or ISL Ragnarök, is an island in Gun Gale Online that serves as the grand stage for the free-for-all finals of the 3rd Bullet of Bullets, during which the thirty finalists are spawned randomly on the island at least a thousand meters apart from each other.
ISL Ragnarok is a round island with a diameter of ten kilometers, about the size of the 1st Floor of Aincrad. The island consists of various geographical elements: it has forests, hills, deserts, rural and city areas, rivers, prairies and bridges.
The Lost City is located at the center of the island. The city is likely modeled after the most famous cities of the world, like New York City. There are many skyscrapers in the city that mixed all sorts of functions with traditional beauty. There are plenty of old English adverts and bulletins, which have become old and covered by weeds and sand. A river to the south of the island leads to a drain at the city where the water flows into the undergrounds of the city. A metal bridge is built above the river to the south while a mountainous area is located further to the south. A forest is located to the east of the bridge, with a rural area located to the north of it. A desert with caves is located to the north of the city area, while a prairie area is located to the south of the city area.
A satellite is located in geosynchronous orbit above the island, providing a scan of the map and the position of all currently alive contestants to all the competitors that are able to get a signal from the satellite via a Satellite Scan Terminal every fifteen minutes.
- Lost City
- Rural area
- Iron bridge
- Mountainous area