Twice now I've been fighting a wobbufett in ubers when a move I used twice in a row did approximately 20~30% lower the second time I used it. No, I'm not delusional - there was no burn, reflect wearing off, etc. For example one time I had my kingdra in. I used waterfall and it did like 55% and the wobbufett used encore. The next turn it did 27%, and absolutely nothing had changed.
Possibly a bug?
Possibly a bug?