Normal: Your utterance creates a nearly transparent, intangible lens in front of the target. Each arcane or divine spell becomes stronger as it passes through the lens.

The target's caster level or manifester level increases by 1 per three caster levels.

Reverse: Your utterance creates a nearly transparent, intangible prism in front of the target. Each spell it casts becomes weaker as the prism dissipates some of its energy.

The target's caster level or manifester level decreases by 1 per three caster levels.