Engagement over Belsavis

Shortly after the capture of the six Sith Lords known as the Dread Masters in 3668 BBY during the Great Galactic War, an attempt by the Dread Masters to break out of the Galactic Republic's prison complex on the planet Belsavis led to a short battle above the planet. After the Sith were moved to the prison district of Section X to ensure that they would not harm other inmates, the six reached out to an apprentice of theirs and ordered him to bring the Fatality—a warship of the Sith Empire that carried dozens of elite HK-51 assassin droids—to Belsavis so that they could break out. However, the prison's defenses destroyed the Fatality in orbit, sending the heavily damaged warship crashing into a frozen lake near Section X.

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