Play animation when NPC is casting spell via script
NPCs should play their cast animation when casting a spell via a script. Can be seen with the blessings of Almalexia by Mehra Helas in Mournhold, Temple Courtyard.
(RM-3083 from redmine: created on 2015-12-15 by scrawl ., , relates #1645 (closed), relates #2131 (closed))