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