E3S8A: In-scenario prose revision pass by vultraz
Remove obsolete or complete to-do items
E3S10: Use journeys_end.ogg at the end instead of love_theme.ogg

The track is only appropriate for the scene up to 00:40, really, but the
sequence is only supposed to last 10 seconds plus the amount of time
taken by the player to dismiss Aradellys' [message] dialog, which can be
assumed to be less than 30 seconds most of the time.
E3S10: Add three (two on HARD) healing glyphs around the boss keep
E3S10: Additional enemies before the boss stage