Simplified Chinese.
The Elder Scrolls Online Steam page has been updated today with an announcement that the game will be available in simplified Chinese. The announcement is accompanied by a video that is presently privated, and is a simple two sentence announcement.
Reproduced below for your viewing pleasure.
Language support for Simplified Chinese is coming to ESO later this year, featuring full text, subtitles, and UI translations! Stay tuned for more information on its availability.
MMO Fallout 