Binning the Chalice of Corruption
Premium Unleaded
Can a character still complete the remaining chain of quests (one of them anyway) if their chalice was already trashed?
Quaker
I don't think that the chalice is used for anything else, so if you've completed the first part there should be no problems.
SpyderArachnid
Yes you can still do it even if you trashed the chalice and still have the quest (as that's what I guess you are referring to). Just abandon the quest and retake it.