Random Crashes After Bad Omen Effect

I was in the middle of playing a survival world when I found a Pillager spawned, I figured there would be a Pillager Captain nearby and sure enough, there was. I killed the Pillager Captain, and got Bad Omen and got the achievement, "I've Got a Bad Feeling About This" after that it started crashing randomly. We exit Minecraft because this was game breaking. I can barely play the game now and this needs to be fixed really soon and fast!