Use Poppy charge on a monster. Sometimes it will get stuck in place and try to attack something that's invisible. Maybe the wall. It also takes damage every time it tries to attack, and if that damage kills it, nobody gets the reward for killing it.
I haven't figured out how to do it 100% of the time, but it happens often enough to be a big problem. Maybe a third of the time.
[Game][Major] Poppy Makes Buffs Disappear
I haven't figured out how to do it 100% of the time, but it happens often enough to be a big problem. Maybe a third of the time.