Actually thats a much better idea!
I will make aromatherapy cost two! and put the handicap on it.
and yes it should say turn, phase would be to underpowered.
He gets the tough 5+ because he is carrying his own smelling salts and doesn't get to benefit from his own ability. Also he would be a buffer, I designed him with the militia mind .
I'm not sure why the tough is 5+, given that he's presumably not wearing armour; 6+ would be in line with Beru the Engineer (or any of my engineers similarly, if you've seen my "Cracking Contraptions" rules for variant engineers).
I just checked my rulebook Beru the engineer has a 5+ tough save like regular engineers