Unravel Dweomer

Initiate, Unbinding Shade
Level/School: 5th/Abjuration
Range: Close (25 ft. + 5 ft./2 levels)
Target: Up to one creature/level, all within 30 ft. of each other
Duration: Instantaneous
Saving Throw: See text
Spell Resistance: No

You open a conduit to the Plane of Shadow, leaching out the energy maintaining an ongoing magical effect.

This mystery functions like the spell break enchantment.