You have graduated from the magical acadamy.
Benefit: Whenever you cast a prepared arcane spell from the conjuration (summoning) school that takes longer than a standard action to cast, reduce the casting time by one round (to a minimum casting time of one standard action). Casting a spell in this way is taxing and requires a Fortitude save (DC 15 + spell level) to resist becoming fatigued.
Curse of the Crimson Throne Player’s Guide. Copyright 2008 Paizo Publishing, LLC; Author: James Jacobs and Mike McArtor.