You need Manage Server on the server you add it to.
Blue Posts from the Blizzard forums for World of Warcraft, Diablo and Overwatch, by region and language. Lodestone news for Final Fantasy XIV. Pick a text channel for cards, or a forum channel to get one thread per game with the posts appended.
Starts posting into a channel. Game, region and language are optional and take lists, comma separated; without them you get every game and region in English. The same announcement from the US and EU forums shows up once, with both regions. Run it again for the same channel to change the choices.
Shows what Arctium posts on this server and where.
Posts the latest matching entry right away, so you can see how it looks.
Stops posting into that channel. Removing the bot from the server stops everything.