Depends on how much you can camp, and how much you can get between her and the enemy. I don't think it is a requirement, not like it is for Doomy2. ...
My personal thought would be that Transference shouldn't likely be something you try to get a lot of use out of. I think Vectors with Apparition and...
You are far more likely to get, and take advantage of Synergy bonuses with a Spd 5 reach pathfinding Prime Axiom than you are a Spd 5 nonpathfinding...