If the Wizard had that kind of mental power, he wouldn't need the army.
They apparently controlled their system through some form of mental power.
He is more probably an ordinary man outside his mental powers.
He must drive his message through by sheer mental power.
It'll take a lot of mental power to back it up, though.
To focus together all the things we had brought upon ourselves, seemed beyond my mental powers.
The mental power to warm herself was limited by her level of biological energy.
With that kind of mental power, she could have been so dangerous- Danger.
One character looks at another and takes control of his mental powers.
By mental power alone they make us come to them, and, once there, their slaves do the rest.