It will have multiple endings.
By Robert Marrujo:: The Final Fantasy XV: Episode Ignis DLC is coming on December 13. Here's the new trailer:
There's no word on whether the pack is only coming to PlayStation 4 on that date. We'll update this story once we find out for sure.
Composer Yasunori Mitsuda of Chrono Trigger fame will be on musical duties for the expansion. The DLC covers the story of Ignis fighting on the streets of Altissia during the time that Noctis was unconscious. It'll also feature multiple endings.