"It's short for Prototype Epsilon.  Do you like him?  Took me weeks to upgrade from the Delta version."<br/><br/>She looks at the design for a moment, pouting cutely.<br/><br/>"Hmm.  Well, I must admit Pro-Ep has a point.  Better to shake the assembly to pieces than to cause a massive thaumaturgical event.  But, yes, I prefer the field effect.  If we could just find a way to dampen those fluctuations...you haven't seen Xavier around, have you?"