Oneiric Horror

Illusion (Phantasm) [mind-affecting]
Level: Artificer * 3, Bard * 2, Sorcerer */Wizard * 3
Components: V, S
Casting Time: 1 Standard Action
Range: medium (100 ft. + 10 ft./level)
Target: one living creature
Duration: 1 round/level (D)
Saving Throw: Will negates
Spell Resistance: yes
  You cause the subject to believe it is being attacked by a creature out of its nightmares. Each round, the subject makes a full-attack action against the creature. A flying creature can still attempt a Fly check to hover. Each round on its turn after making a Full Attack against the imaginary creature, the subject can attempt a new saving throw to end the effect. The subject is Fatigued for 1 minute after the spell ends.