Today in FE Heroes: Delthea: Tatarrah’s Puppet Grand Hero Battle makes a return.
Earn an extra copy of the Hero and 4 Orbs for completing the accompanying quests. You have until the 28th of December 6:59am UTC.
And coming soon… A new Hall of Forms event will begin on the 22nd of December 7:00am UTC!
The four units you get to use and build as you progress are Merric (infantry green tome), Draug (armour sword), Groom Marth (cavalry axe), and Bridal Caeda (infantry blue tome). Once the event begins, it will last until the 5th of January 2020 6:59am UTC.
If you want to read up on the game mode to refresh yourself, you can read about it here (link).