I waited until I was able to be in Torment 1 before using an escalating NMD sigil. Used my first one, found a strong hold (yay), killed the NMD boss and that was the end. No portal/altar to the next NMD, it was just done. I even double checked the season journey achievement for collecting obdicite in an escalating dungeon to make sure I hadn’t accidentally opened a normal dungeon. It showed I had collected over 200 obdicite in an escalating dungeon where it was zero before.
I’m hesitant to use another sigil because they don’t seem to be plentiful and I don’t want to waste it if it’s a bug.
This just happened to me with a Nesting Pit sigil. I’m wondering if the next dungeon fails to spawn if it’s a dungeon locked behind a Stronghold that hasn’t been completed.
Mine was Feeding Grounds, which isn’t locked behind a Stronghold. Someone else had it happen in Vile Hive. I’m thinking it’s a Nahantu bug. I tried one that started in Nostrava today and it worked as intended.
I just had it happen in Maulwood and I have all the strongholds. Got level 1 cleared and then nothing.
Just happened to me with a horadric gem cache Vile Hive sigil in T4. I finished the strongroom and when I came back out, my objectives were gone and it did not escalate after the boss.
This has happened to me twice today, I finish the strongroom and suddenly the quest for the escalation is gone and when I beat the dungeon boss there’s no reward, no portal, nothing