Vertraag Exalted

I just got to exalted with Vertraag and he gave the usual dialogue with no mention of a new feature as is often the case at that level. After the dialogue a popup said i completed a mission named “my lucky meteor” or something like that - not an achievement but a quest that had not been in my list. I havent finished the game yet (have the boss on floor 42 to beat currently) and didnt see any indication of a change so i was wondering what just happened? Maybe the quest was just the quest floor but does Vertraag have any additional features to add? Thanks to whoever answers :slight_smile: