xcom 2 how to train psi operative?
['Unlock your inner mental powers in XCOM 2 to earn the special Psi Operative class. ... ', 'Step 1: Obtain a Sectoid Corpse. ... ', 'Step 2: Research - Sectoid Autopsy. ... ', 'Step 3: Research - Psionics. ... ', 'Step 4: Build the Psi Lab. ... ', 'Step 5: Train a Rookie to Become a Psi Operative.']