The International 7 - Short Film Contest.
You can vote here on Steam if you liked the video: http://steamcommunity.com/sharedfiles/filedetails/?id=1081977044
Yunero, an exiled soldier defeated on the isle of masks, was reborn in an ethereal form to take his revenge on the battlefield.
Saisei means "reborn" in japanese.
Credits for the music goes to CryptOfInsomnia:
https://audiojungle.net/item/epic-taiko-percussion/19356298
آی-ویدئو