Some months ago, Ashes of Ariandel released as DLC for Dark Souls 3 adding in many items including 4 new spells and 1 new ring. However, DS3 already had achievements for collecting all spells and all rings.
Do these new items affect the achievements so that I will have to gather the DLC items as well as the already existing items in order to get the achievement?
Best Answer
No, this is usually not the case.
If there are DLC-specific trophies/achievements, they will be listed in a separate list. However, Bloodborne has been the only Souls-related title to have DLC trophies, and even then, involved a DLC-specific collection trophy or two, rather than changing the requirements for the base game's collection trophies.
Thus, it's definitely safe to say that you will be able to get the 100% collection trophies/achievements without having to collect everything from Ashes of Ariandel (or the next DLC).