You create an area of total darkness. The darkness is impenetrable even to darkvision, but you can see normally within it. Creatures outside the spell’s area, even you, cannot see through it.
You can cast the spell on a point in space, but the effect is stationary unless cast on a mobile object. You can cast the spell on a creature, and the effect then radiates from the creature and moves as it moves. Unattended objects and points in space do not get saving throws or benefit from spell resistance.
Blacklight counters or dispels any light spell of equal or lower level. Daylight counters or dispels blacklight.
Section 15: Copyright Notice - Pathfinder Chronicles Campaign Setting
Pathfinder Chronicles Campaign Setting. Copyright 2008, Paizo Publishing, LLC; Authors: Mike McArtor, Keith Baker, Wolfgang Baur, Clinton J. Boomer, Jason Bulmahn, Joshua J. Frost, Ed Greenwood, Stephen S. Greer, Jeff Grubb, James Jacobs, Michael Kortes, Tito Leati, Mike McArtor, Rob McCreary, Erik Mona, Jason Eric Nelson, Jeff Quick, Sean K Reynolds, F. Wesley Schneider, Leandra Christine Schneider, David Schwartz, Amber E. Scott, Stan!, Owen K.C. Stephens, Todd Stewart, James L. Sutter, Greg A. Vaughan, Jeremy Walker, JD Wiker.