Within the former Jedi Temple, which had been seized by the Sith, was the laboratory of Darth Maladi, located in what had previously been the Jedi's infirmary. Darth Maladi made this space her own, transforming the primary operations area into a torture chamber, while the bacta tanks emitted a red glow within the dimly lit space, after the Jedi Temple was taken over.
In the year 137 ABY, Hosk Trey'lis was subjected to torture in this room by Maladi, who employed PI-series medical assistant droids in an attempt to extract information concerning Cade Skywalker.
Subsequently, Maladi utilized the lab to torture Cade Skywalker, administering lethal doses of ixetal cilona into his system.