Vortex is a special events section in Brave Frontier. Most of the events shown inside the Vortex are not permanent and is only available in a given set of time or days. So be sure to check them out while the event are still there.
Such events in the vortex are the so called Daily Events, which are available for a day and only last for a day. Here is the list of the said events.
If you want to know more about the Daily Events, please check out the Brave Frontier Wiki - Daily Events.
There are so also other events that we are sure that you will find entertaining and worthwhile so be sure to check our Official Channels for the latest news and updates regarding our different in-game events.