Identifying The Map Pieces
Now that the official map has been revealed, the weirdly shaped pieces make sense.
Noxus https://media.lolusercontent.com/api/embedly/1/image/resize?url=http%3A%2F%2Fwx2.sinaimg.cn%2Flarge%2F006RL3UQly1ftimkud3eaj30u0140tco.jpg&key=a45e967db0914c7fb472fd4381e6c85b&width=425
Demacia https://media.lolusercontent.com/api/embedly/1/image/resize?url=http%3A%2F%2Fwx4.sinaimg.cn%2Flarge%2F005HBKPPly1ftikrw6y2cj30k00fy74q.jpg&key=a45e967db0914c7fb472fd4381e6c85b&width=425
Bilgewater http://wx3.sinaimg.cn/large/0066DwfWly1ftijm57wpkj30k00kngmw.jpg
Shadow Isles https://media.lolusercontent.com/api/embedly/1/image/resize?url=http%3A%2F%2Fwx1.sinaimg.cn%2Flarge%2F859ed6e0gy1ftiib97na9j20u01hc77a.jpg&key=a45e967db0914c7fb472fd4381e6c85b&width=425
Targon http://wx1.sinaimg.cn/large/b9dfc5f5gy1ftim5ofop2j20tz0yo0v5.jpg
Shurima https://media.lolusercontent.com/api/embedly/1/image/resize?url=http%3A%2F%2Fwx1.sinaimg.cn%2Flarge%2Fe1b6acbbgy1fti16ywf6xj23402c07ti.jpg&key=a45e967db0914c7fb472fd4381e6c85b&width=425
Ionia https://media.lolusercontent.com/api/embedly/1/image/resize?url=https%3A%2F%2Fpbs.twimg.com%2Fmedia%2FDijGV77X4AEm1tO.jpg&key=a45e967db0914c7fb472fd4381e6c85b&width=425
Kumungu Jungle (???) https://media.lolusercontent.com/api/embedly/1/image/resize?url=http%3A%2F%2Fimgur.com%2FuhhnPO1.jpg&key=a45e967db0914c7fb472fd4381e6c85b&width=425
Freljord https://wx2.sinaimg.cn/orj360/0069Ljcaly1ftjupfhpu8j30va0vamyz.jpg
There doesn't seem to be a piece for Icathia/Void. It could be that the piece hasn't been found yet though.
