Came here during the 2022 Extra Life promotion with 175% more rares so it may have something to do with it.
However, zoned in with no named gotten at all and was out in about 3 hours with it all completed. The longest one to get was the Mark V exterminator as there's only a couple of PH's for him.
All in all, a good run. It's a nice zone with lots of mobs close together - real easy to earn lots of cash in a small amount of time as well.