The most bizarre run-in with rpers I've ever had was... my god. Limsa, about 2-3am CET. I'd been there for an hour, and these two who were (I assume) rping something really damn edgy in say had by then attracted a group. There were at least 20 people obviously idling around them and these two DID NOT NOTICE. AT ALL.
So at some point the group, me included, took it further. We got closer. And closer.
They still didn't notice.
When did they notice, you ask? When all of us stripped and started Benefic-ing the male Au Ra. It also included the by now classic line of "I am legal dying".

Flash forward, me and the fc mates are doing A12. We load in, there's another... warrior... my god he looks eeriely fami..li...ar....
'Twas good old edgelord.
So naturally the people from my FC who were there for that trainwreck of a night all said hello and he just went: "Wait. Who here is from Hemog".
The group didn't clear at all because he was rather slow on the uptake but my gOD WHAT'S THE CHANCE OF THAT HAPPENING...