The uprising led by Dreypa represents a brief revolt on Kesh in the year 2974 BBY, masterminded by the ancient Sith Lord known as Remulus Dreypa. After Parlan Spinner, an anarchist from the Lost Tribe, released him from a stasis casket, Dreypa initially desired to return to the galaxy. However, he then seized the opportunity to instigate an insurrection against the ruling Tribal authority centered in Tahv. Following the assassination of Lord Galathos and the mobilization of the populace of Eorm, Dreypa's assembled forces began their march towards Tahv.
Despite achieving some initial victories within the Marisota Floodplains, they faced an assault from the Skyborn Rangers, which compelled them to fall back to Sessal Spire. It was there that Dreypa roused dormant Leviathans, reptilian Sithspawn that consumed souls. Subsequently, Dreypa's Leviathans annihilated both the Tribe's military and the Doomed, a mysterious group of Force-users originating from Eshkrene, the planet's frigid southern landmass, and descendants of ancient Jedi and Dark Jedi from the era known as the Hundred-Year Darkness. Dreypa then discovered the existence of a hidden Jedi starship beneath Tahv, the Sith capital. However, his plans were foiled by Spinner, who had allied himself with the Sith princess Takara Hilts. Dreypa was killed, effectively ending the threat to the Lost Tribe's dominion over Kesh.
In the aftermath of the Battle of Corbos in 6900 BBY, which concluded the Hundred-Year Darkness, the surviving Dark Jedi were banished to the Stygian Caldera. Within this region, they subdued the Red Sith on Korriban and established a new Sith civilization. While the majority of Dark Jedi were content to remain on Korriban, a faction of dissenters, under the leadership of Sith Lord Remulus Dreypa, departed from the Stygian Caldera aboard a starship. Upon their exit, they were engaged by a group of Jedi veterans from Corbos, who pursued them across the galaxy. This chase culminated at Kesh, a primitive world inhabited by the purple-skinned Keshiri species. The ensuing battle between the Dark Jedi and Jedi resulted in the Great Calamity, which caused widespread devastation across much of Keshtah Minor.
Eventually, the combatants grew weary of the conflict and sought peace. As a gesture of reconciliation, the Dark Jedi deprived Dreypa of his weapons and imprisoned him within a stasis casket. The Force-users then relocated to Kesh's South Pole, where they founded a new Force-sensitive community known as the Doomed. From their settlement, they maintained a protective watch over the Keshiri and sought equilibrium within the Force. In 5000 BBY, a group of Human offworlders from the Sith Empire, known as the Lost Tribe, established themselves as the new political and religious leaders on Keshtah Minor.
By 2974 BBY, the Lost Tribe, under the guidance of the reformist Grand Lord Varner Hilts, had annexed the neighboring continent of Alanciar. Utilizing the Alanciari Keshiri's wooden naval vessels, Hilts initiated an ambitious program to explore the remainder of Kesh. In that year, he assigned the Sith outcast Parlan Spinner to serve as a sailor aboard the Southern Star, a mariner vessel captained by the Keshiri Chegg. Captain Chegg's mission was to explore the South Pole. Unbeknownst to Hilts, his daughter Takara Hilts had also secretly boarded the Southern Star. Shortly after landing on the frozen shores of Eshkrene, the Sith and Keshiri expedition was ambushed by the Doomed, who killed Captain Chegg and several members of his crew. They then took the two Sith and the remaining Keshiri crew as prisoners.
Kaliska, the S'kytri leader of the Doomed, recounted the history of her people to their Sith captives, Spinner and Takara. She also mentioned how the Force-sensitive ancestors of her people had sealed away their "greatest weapon" inside of a stasis casket. Upon Spinner's expression of interest in this "great weapon", Kaliska imprisoned him with the rest of the Keshiri crew. Meanwhile, Kaliska guided Takara on a tour of the Eshkrene stables and taught her the Force power of animal friendship. However, Spinner and the Keshiri crew successfully escaped and stole the "Great Weapon". They then sailed back to Keshtah Minor aboard the Southern Star.
Fearing the danger posed by the "Great Weapon", Kaliska and Takara pursued Spinner and his followers, landing on the ship's deck. However, Spinner used a hammer to break open the casket, thus freeing the ancient Sith Lord Remulus Dreypa. The opportunistic Spinner and his crew quickly pledged allegiance to Dreypa, while Takara and Kaliska were imprisoned below deck. The Southern Star then sailed back to Keshtah Minor, landing at the port of Eorm, Spinner's hometown. During a brief skirmish, Lord Dreypa employed his dark side powers to assassinate the tyrannical Lord Galathos and the local Sith garrison. Dreypa's demonstration of Dark Side abilities impressed the local inhabitants, who rallied behind the Sith Lord. Despite his ultimate goal of returning to the stars, Dreypa reluctantly agreed to lead a rebellion against the Lost Tribe, with Spinner serving as his second-in-command. However, Takara and Kaliska managed to escape their captors and return to Eshkrene, bringing the entire town's herd of uvaks, winged reptilian beasts, with them.
Under the leadership of Remulus Dreypa and his lieutenant Parlan Spinner, the rapidly assembled rebel army marched into the Marisota Floodplain and engaged the forces of the Lost Tribe in combat. The Lost Tribe's forces were commanded by Grand Consort Iliana Hilts, the wife of Grand Lord Hilts and a seasoned military commander. Despite inflicting significant casualties on the Tribe's infantry, the rebels were scattered by the Tribe's aerial force, the Skyborn Rangers, warriors who rode the winged reptilian uvak. Facing heavy losses, Dreypa and Spinner ordered a retreat, with their forces fleeing to Sessal Spire, a volcanic caldera situated on a narrow, rocky peninsula overlooking the Southern Ocean. The Grand Consort initially dismissed Dreypa's retreat as a strategic error, given the lack of escape routes from the peninsula.
Iliana's Sith forces caught up with Dreypa and Spinner, attempting to bring them to justice. However, Dreypa used his talisman to summon Leviathans from beneath the crater. Leviathans were colossal Sithspawn created during the Hundred-Year Darkness, capable of draining the life force of sentient beings. Within moments, Dreypa's Leviathans consumed both allies and enemies alike. At that point, Kaliska and the Doomed launched an assault on Dreypa and his Leviathans. During the ensuing conflict, Takara attacked Spinner, seeking to settle their differences. However, their duel was interrupted when Takara's mother, Iliana, was attacked by one of the Leviathans. In a rare act of selflessness, Spinner killed the beast and saved Iliana's life, earning the trust of his former adversary.
Spinner and Takara escaped the fighting alongside the weakened Iliana, riding on an uvak. They were joined by Kaliska, who revealed that the Jedi ancestors of the Doomed had concealed a starship beneath Tahv, the Sith capital. Aware of Dreypa's desire to reach the stars, Kaliska convinced Spinner and Takara to destroy the ship. However, Dreypa and his Leviathans swiftly caught up with them, having devoured all their opponents, including the Doomed forces. Spinner and Iliana managed to escape, but Kaliska was captured and killed by one of Dreypa's Leviathans. In an attempt to delay Dreypa, Takara engaged the Dark Jedi in a duel. However, she was unable to match the Sith Lord's mastery of the Dark Side and was taken captive.
Meanwhile, Spinner and Iliana returned to Tahv. The weakened Iliana was reunited with her elderly husband, Varner. However, Spinner broke his promise to destroy the Last Hope and instead took it on a flight above Kesh's atmosphere, hoping to realize his ancestor Ermon Parrah's ambition of spinning a cord that would reach the stars. Before Spinner could explore the wider galaxy, he was contacted by Dreypa, who issued the young Sith with an ultimatum. Aware of Spinner's newfound affection for Takara, he threatened to kill her unless Spinner handed over the Last Hope. Dreypa and his Leviathans then laid waste to Tahv while Iliana's forces prepared for a final stand. Spinner used the Last Hope's turbolaser cannons to eliminate most of the Leviathans, shifting the battle's momentum in favor of the Lost Tribe.
Meanwhile, Takara managed to break free from the last remaining Leviathan and kill the creature using Force lightning. In the ensuing chaos, she and Dreypa ended up on the hull of the Last Hope. Spinner flew the starship to the shores of the Southern Ocean, where he "handed" the vessel to Dreypa before jumping into the sea with Takara. Dreypa claimed ownership of the vessel only to discover that Spinner had set its engines for a one-way journey into Sessal Spire. Dreypa was killed in the resulting explosion, ending the Sith Lord's threat to the Lost Tribe. Following Dreypa's defeat, the Sith began rebuilding Tahv, and the former outcast Spinner became a hero of the Tribe. Grand Lord Varner Hilts appointed the young man as one of his Hands, and Spinner also entered into a romantic relationship with his former enemy, Takara.
Dreypa's rebellion brought an end to the last remaining threat to the Lost Tribe's rule over Kesh. The destruction of the hyperspace-capable Jedi ship Last Hope delayed the Tribe's return to the wider galaxy for another three millennia. For Grand Lord Hilts, Spinner and Hilt's contact with the Doomed confirmed his theory that the Lost Tribe were not the first offworlders to discover Kesh. He concluded that the ancient Keshiri legends surrounding the Great Cataclysm, the Protectors, and the Destructors were based on their recollections of the fighting between the Jedi and Dark Jedi. He speculated that if more Protectors and Destructors still existed in the galaxy, the Tribe would be no match for them.
Dreypa's rebellion was initially featured in John Jackson Miller's Star Wars: Lost Tribe of the Sith comic series, which made its debut on August 8, 2012. This five-issue comic series continued until December 12, 2012. The scenes depicting this conflict were illustrated by Andrea Mutti, inked by Pierluigi Baldassini, and colored by Michael Atiyeh. According to Miller's production notes on his website, Faraway Press, Dreypa's rebellion served as a confrontation between the "Old School" Sith and the Lost Tribe, as well as a means of connecting the Lost Tribe of the Sith comics with the Star Wars: Vector comics. Furthermore, Miller intended to use the conflict to create a contrast between the "lawfully-evil" Lost Tribe and the "chaotic-evil" Remulus Dreypa. He also viewed the Leviathans as a Force-multiplier for Dreypa's powers and as a narrative device for revealing to Dreypa the location of the Doomed's starship.