Square Enix debuted a new trailer for Final Fantasy XV: Episode Ignis earlier today at the PlayStation event at Paris Games Week 2017. Get your first look at the DLC which is expected to be released on December 13.
Other features from Episode Ignis include:

You can either pick Episode Ignis up on its own for $4.99 (USD) or as part of the Final Fantasy XV Season Pass for $24.99. This is available from either the Microsoft Store or the PlayStation Store.