Just an update incase someone else searches for this: I specced him multi elemental when he stopped using spells - if you did the same, any single elemental spec ive used has worked fine. It sucks but that's the only solution I could come up with for now.
Threads on this issue:
http://answers.ea.com/t5/Dragon-Age-Inquisition/my-party-members-never-want-to-use-their-abilities/m...
http://answers.ea.com/t5/Dragon-Age-Inquisition/Party-AI-has-stopped-working/m-p/4048630#U4048630
http://answers.ea.com/t5/Dragon-Age-Inquisition/Companion-ai-not-using-spells-or-abilities/m-p/40454...
http://forum.bioware.com/topic/527595-game-breaking-bug-on-x1/
http://answers.ea.com/t5/Dragon-Age-Inquisition/Companion-stopped-using-skills/m-p/4061403#U4061403
http://answers.ea.com/t5/Dragon-Age-Inquisition/Companion-are-not-using-skills/m-p/4042601#U4042601
Hope this gets fixed. Super annoying bug.
