Real quick before asking the question, I have NOT finished the patch quests for Heavensward, I'm only just starting the patch quests. Soo, I guess try to avoid spoiling too much, but this did bug me quite a bit at the time.
How did the Empire get into Azys Lla? Thordan needed a key. the WoL needed to go through a lot of effort to jerry rig a way through the barrier without the key.
The empire just... show up.
How? How did they get through the barrier? How are they there? Did I miss something?
By the same token how did Ysayle get in? Did the hole we punch in the barrier stay open?
A lot about what went on at the end of Heavensward feels pretty uhh.. rough.