There is inconsistency around warrior attacks underwater. Attacks such as pincer, cranial etc all do not work underwater due to water resistance. Overhead still works and lags. Looks to be a bug that it is still allowed to be used underwater (which realistically doesn't make sense).

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*snip log showing overhead underwater*
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Not sure what you're talking about exactly.

I checked.

Pincer doesn't work underwater.
Overhead does.

And that looks purposeful.