Fire up my game, and I'm at the Archstone of 2-1.
Which is weird, because I had quit at the Archstone of 2-2. But all my inventory and gear seems OK, so whatever.
Go to 3-2, lay down my sign.
Got summoned by the Old Monk (Does he hijack all summon signs, is that why I couldn't find help for Maneater?), hung out in the room until I got a random Target Destroyed (Presumably black phantom mind flayers did him in)
Revived back at the 2-2 Archstone.
Wut.
Went to 4-1 and dropped my sign. Got summoned multiple times by the same guy who was in NG+ at the least, if not higher (Dual wielding red eye black skeleton did me in in one *blocked* hit). His world was somehow PBWT? How does that work if he was summoning people? Move it to PBWT, quit, then come back in online mode?
Anyway, I wasn't much help, but I helped tackle a few enemies and invaders (more useful on those than mobs), reaping dat NG+ PBWT soul count undeservedly. Had one invader where the host just vanished somewhere in the level and left me to take the invader myself, which was interesting. He could hit waaaay harder than me, but I had a decent shield and my spear's magic damage penetrated his own. It was a battle of attrition where I got him down to near death multiple times, but couldn't seal the deal since I was out of stamina. So he'd back off and heal, and we'd go at it again.
I had NO idea where the hell the host was, up until this point he'd been camping the spawn point to kill invaders, but now he was gone. There were still mobs at the points he could have advanced, so maybe he was just shopping with Graverobber Bilge, I dunno. Eventually he used the white eyed stone and sent me away with thanks, so I guess it worked out.