GTS Perk
Mentally Awake: Start every mission with 1 Focus, and your rend attacks generate focus.

Squaddie
1. Rend (Same as vanilla)
2. Volt (Same as vanilla, but can be done with momentum AP.)
3. Focus (Same as vanilla)
4. Momentum (Same as vanilla)

corporal
1. Parry (Same as vanilla)
2. Aftershock (Same as vanilla, but can also disorient foes.)
3. Stun Strike: (Same as vanilla, but also actually stuns and can be used with momentum.)

sergeant
1. Pillar (Same as vanilla, but can be done as free action)
2. Psi-Arrow: Special attack with your primary weapon that gives you focus. Is a ranged attack.
3. Amplify (Same as vanilla)

lieutenant
1. Deflect: (Same as vanilla)
2. Storm Force: psionic lightning does more damage.
3. Channel: (Same as vanilla)

captain
1. Reflect (Same as vanilla)
2. Bladestorm: (Same as vanilla)
3. Invert (Same as vanilla)

major
1. Arc Wave (Same as vanilla)
2. Fortress (Same as vanilla)
3. Exchange (Same as vanilla)

colonel
1. Ionic Storm: (Same as vanilla)
2. Void Conduit: (Same as vanilla)
3. Ghost (Same as vanilla, but with udaya's better ghost tweaks.)