[POE2] Oasis map incomplete, 0 monsters remain

Just had this experience with Untainted Paradise. I don't remember a single Rare enemy.

I got this map now for the first time on a 15 map.

I had 4 mobs remaining including a rare that were in an area behind a wall which i could not access...

R.I.P 15 key.

Happened to me as well specifically with Oasis map.

Happened to me too. Crypt, delirium applied, and in this case (not sure if it matters) I missed the deli mirror at the start, so I full cleared without deli, then saw the mirror back at the start. I triggered it and ran the map again until deli expired. Still no completion.

https://ibb.co/ng3Mwrh