12057/6600 and still level 3 mastery on fizz

Some one mind helping out? i seem to be stuck at lvl 3 mastery on fizz even though i've nearly doubled the required amount of mastery to reach lvl 4 [screenshot](http://prntscr.com/p3f1yb)
Best New

We're testing a new feature that gives the option to view discussion comments in chronological order. Some testers have pointed out situations in which they feel a linear view could be helpful, so we'd like see how you guys make use of it.

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