Kabaneri of the Iron Fortress: Light That Gathers is an anime film that premiered in fall 2016, produced by WIT STUDIO.

About the production: the story comes from an original script, the film runs about 107 minutes and its current status is "finished".

Its main genres are action, drama, fantasy, horror and supernatural, with themes such as Kaiju, Zombie, Steampunk and Trains.

On AniList, Kabaneri of the Iron Fortress: Light That Gathers has an average score of 74%, a good score, and appears on 15,082 users' lists.

The franchise continues in or follows from: Koutetsujou no Kabaneri Soushuuhen Kouhen: Moeru Inochi.

When mankind is threatened by a sudden emergence of undead monsters, those who are bitten become "Kabane" - one of them. To survive under the rise of Kabanes, the Hinomoto people have built fortress stations and barricaded themselves inside. Kabaneri of the Iron Fortress is the story of those who travel beyond these fortresses. The movie is a compilation re-telling of the hit TV series Kabaneri of the Iron Fortress, told over two parts: Part 1: Light That Gathers & Part 2: Life That Burns. See special content, new additional scenes that appear only in the film, and a remastering of the ending - different from the original TV series! (Source: Crunchyroll, edited)

Official synopsis from AniList.