What's the plural form of Buffyfic? Here's the word you're looking for.
Answer
The noun Buffyfic can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be Buffyfic.
However, in more specific contexts, the plural form can also be Buffyfics e.g. in reference to various types of Buffyfics
or a collection of Buffyfics.