u/CorniestStorm74

So im collecting all the movies and series in DVD form. Im only 1 away from completing season 1 and 2, I have ordinal scale and im looking for progressive. However, I havent actually watched more than that yet so I need some clarity.

Alicization, how many DVDs are there? Im getting thrown off by whatever the difference is between Alicization and war for the underworld. As I havent watched it yet im trying to find out if there is a difference between them or not. If someone could explain without spoilers that would be really helpful.