You do not lose a spell you are casting if you are interrupted.
Benefit: If you fail a concentration check that would result in the loss of a spell, you do not lose the spell, but it is not successfully cast.
Section 15: Copyright Notice – Advanced Feats: Visions of the Oracle
Advanced Feats: Visions of the Oracle. Author: Sigfried Trent Copyright 2011, Open Design LLC, www.koboldquarterly.com. All rights reserved.