Star Wars Knights of the Old Republic II: The Sith Lords/Trayus Proving Grounds

Trayus Academy
If you exited the bottom part of the Trayus academy through the door at the top end of its outer right corridor, then you enter an empty room in the middle of the left side of the Trayus proving grounds. Beyond the door in the bottom wall is a room containing four Sith assassins and two commandos:

Sith assassins rarely if ever use Master.

Beyond the door in the bottom wall is a room containing a male Sith marauder:

The Sith marauder rarely if ever uses Force powers.

Storm Beast Pen
Beyond the door in the right wall of the Sith marauder's room is the bottom half of a large room with a male and a female dark Jedi apprentice ahead, and a pair of Sith commandos to either side of the door:

Dark Jedi apprentices rarely if ever use Force powers.

Beyond the door in the top right wall is a room containing a male and a female Sith marauder:

The Sith marauders rarely if ever use Force powers.

Workbench
The corridor exiting the bottom of the second Sith marauder room has three doors each in its left and right walls, and the door at its bottom end opens on a small room with a by its bottom wall, and three Sith commandos lined up to either side of the door.

Back in the corridor, all three doors in the left wall and the top and bottom doors in the right wall open on empty cells. However, the middle door in the right wall opens on two Sith assassins, a male Sith marauder and a male dark Jedi:

Beyond the door in the back wall is a large room containing a female dark Jedi apprentice, and eight Sith commandos in a semicircle around the door, making this one of the best places in the game to test the effectiveness of Blaster Bolt Deflection!

Through the door in the top wall is another large, but empty, room. Beyond the door in its top left wall is a small square room with a heavy defense turret in each of its corners:

Beyond the door in the top wall is a room containing a male and a female dark Jedi, a male apprentice and a Sith lord:

The dark Jedi apprentice and Sith lord rarely if ever use Force powers.

Beyond the door in the left wall is a room containing a male and a female Sith marauder, and an apprentice:

The Sith marauders and apprentice rarely if ever use Force powers.

Beyond the next door in the left wall of this room is another, containing three Sith assassins, a lord and two commandos.

Beyond the door in the top wall is a room with a heavy defense turret in each corner, and four Sith commandos lined up in front of the door in the top wall, too close together to allow you to sneak past: this is another good place to test the effectiveness of Blaster Bolt Deflection.

Trayus Academy
The room at the top left end of the Trayus proving grounds is empty: the door in the middle of its left wall leads to the top part of the Trayus academy.