Psi abilities
Psi abilities are the "magic" of Underrail. They're combat abilities that require Psi points to use.
Psi abilities are split into 3 psionic schools - Thought Control, Psychokinesis and Metathermics.
Thought Control
Ability to influence the minds of other living creatures through mental suggestion and domination. Also the ability to focus and enhance your own mental processes and to take greater control of your body. Ezra is the Thought Control trainer in SGS, but you can also learn Bilocation from the Monolith in Silent Isle.
Psychokinesis
Ability of the mind to exert mechanical force, as well as to emit electric currents and project electromagnetic fields. Bisson is the Psychokinesis trainer in SGS.
Metathermics
Ability of mind to initiate and control rapid temperature changes and harness exothermic and endothermic energies. Quinton is the Metathermics trainer in SGS.