concentration, 1 minute/mana or psi
As an action, you freeze the veins of a creature that you can touch or see within 18 meters. The creature must succeed on a Fortitude saving throw or be slowed 1 for the duration.
A creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success.
Augment
You can augment this spell with the following options, expending mana or psi for each option.
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.
You can increase the slowed level by 1 for each additional mana or psi expended.