Separate names with a comma.
Nope! They'll be added throughout the event. :)
Here, have a puppy https://media.giphy.com/media/140AoLLb3fvPuo/giphy.gif
Until the end of the event, indeed! ;)
http://media.partyinmydorm.com/eventimage/RomanticSignals/poster.jpg
The Story tiers can vary per event, but definitely take event length into consideration. :) The last few hunts that were two weeks long actually...
As Bruce mentioned, there are still other avatars to be discovered through the Stories for this hunt! There will be a side Story next week that...