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The limit of earning qi in a day is 100, that means you maybe reached the qi limit of earning in a day, come back tomorrow, and that will get your qi raise up again.

Smosh is right, qi in a day is 100 try again tommroow

If you bother to check his QI, it's at 51, not 100+.

It may be because you are completing matches too quickly, that sometimes causes your QI to not lower.

What mods are you playing? If its one that the person loses right away it's most likely you won't get any qi.

It could be a number of problems. You are probably completing games too quickly. This has happened to me also. If you are playing a mod which -Ze- is referring to, then QI will not add on. For further questions I can send you to this Link.

Just message an admin if none of the suggestions worked.