I think there will almost definitely be another quest in this series. Here's what leads me to that conclusion (these aren't mind-blowing revelations): A) Mourning's End Part 2 did nothing to bring a conclusion to the series conflicts, namely the battle between the two elf factions or the thwarting of the coming god; B) The new Tyras helm and charter to Tyras's campsite; and C) The big blank spot on the map where Prifddinas is supposed to be. Here's my bold prediction for the next quest: Tyras is not actually dead. We only bombed his tent, and if memory serves, we never actually got any proof that he died. We'll see. I do enjoy the series, as it is pretty challenging, both in requirements and complexity.