Priority Sur’kesh – Go past the greaves and beyond the ladder leading to the upper level, you should come across a bench with this interface. Priority Sur’kesh – When you come across a verren attacking your enemies in a room with multiple levels, stay on the lower level and move toward the desk to find these greaves. Go past the flaming bench section and look for it on the broken bench against the wall. Grissom Academy – Look for it in the room next to the one where you find amp schematics.
Look for it on the bench ahead near a kneeling student by the door. Grissom Academy – When you find Mattock, turn left. Can be found in the Elkoss Combine Arsenal Supplies shop after the completion of Priority: Rannoch for 5,000