Path of Exile

Vorph

Silver Baronet of the Realm
11,893
5,728
Couple dumb questions about T16.5-17 maps since this is the first league I've played since they were introduced. I've done a bunch of them but last night was the first time I ran into a couple things I hadn't seen before:

What causes the Uber Elder expanding rings to appear in 16.5's? I didn't see anything on the map affixes about them, but they were in the Toxic Sewer I ran last night anyway. Very annoying in cramped tunnels like that too, and I was pretty surprised that they were a one-shot mechanic in a random map too. Not quite as "avoid at all costs" as flask meteors, but definitely on the shitlist now.

"The Maven interferes with players" -- another extremely annoying one that I had been told to avoid just because it makes the map take forever. Last night I had a really easy (aside from Maven affix) Fortress drop so I did it anyway since I'm supposed to be immune to basically everything curse/ailment related at this point. Does Maven just ignore my 'Nearby Allies' Action Speed cannot be modified to below Base Value' effect from Garb of the Ephemeral? I was constantly getting slowed down while clearing the map even though my AG is always "nearby". I was able to ignore everything else the map threw at me as expected, but not that bullshit.
 

Thregin

Blackwing Lair Raider
819
256
It's this suffix
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Not sure about maven i feel like she hardly does anything but maybe i'm just clueless?