As an action, you speak a word of power that causes waves of intense pain to assail one creature that you can touch or see within 18 meters. The creature must make a Fortitude saving throw.
On a failed save, the creature is subject to crippling pain for the duration. While the target is affected by crippling pain, any speed it has can be no higher than 3 meters and the target also has disadvantage on attack rolls, ability checks, and saving throws, other than Fortitude saving throws. Finally, if the target tries to cast a spell, it must first succeed on a Will saving throw, or the casting fails and the spell is wasted.
A creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success.
This spell has no effect on Constructs or Undead.
You can target one additional creature for each additional mana or psi expended. The creatures must be within 9 meters of each other when you target them.