cheers for the reply guys, will spec out of it now

Our sleep dart cannot be chain cast (ie moving form gorup to group) as it puts us in combat. Even if it just wears off and you haven't engaged the group it still starts combat up. However the sith assassin's from stealth CC can be chain cast and does not put you in combat, so either ours is broken, or their's is not working as intended. I'm going to assume ours is broken.