A single shot can put a Star Wars hero’s death toll into the millions. A single order can push a villain’s into the billions. The biggest numbers often come from destroyed worlds and military stations, rather than lightsaber fights.
This list includes Canon and Legends, moving roughly from smaller death tolls to larger atrocities and broader command responsibility. It counts direct attacks and orders; overlapping estimates are not exact lifetime totals.
1. Luke Skywalker – More Than a Million Aboard the Death Star
Luke’s biggest contribution comes before he has finished training as a Jedi. During the Battle of Yavin, he trusts the Force and sends two proton torpedoes into the exhaust port of the first Death Star, triggering the explosion that destroys it.
According to StarWars.com’s overview of the station, its Imperial crew ranged from roughly 1.1 million to 1.2 million, depending on the mission. That gives a useful sense of the lives aboard, even without an exact casualty roll for the battle.
One successful attack accounts for the overwhelming share of Luke’s death toll. His later lightsaber victories barely register beside the destruction of an entire military station.
The circumstances matter, too. The Death Star is moments away from destroying the Rebel base on Yavin 4. Luke’s shot saves everyone there by destroying the weapon threatening them.
Lando earns his place by flying the Millennium Falcon into the second Death Star at Endor. With Nien Nunb beside him, he reaches the station’s central reactor while Wedge Antilles makes his own attack run.
Wedge hits the power regulator, and Lando fires on the reactor. Their combined attack starts the chain reaction that destroys the station.
Reference material lists the second Death Star’s population at approximately 2.47 million. That is a population figure rather than a confirmed death toll, but it shows the scale of the installation they destroy.
Lando shares this result with Wedge, Nien Nunb, and the Rebel forces who make the attack possible. Han and Leia’s ground team must disable the shield before the fighters can even reach their target.
The unfinished station is already operational, and its superlaser is destroying Rebel capital ships. Taking it out ends an immediate threat while dealing the Empire another enormous loss.
3. Darth Nihilus – Millions Consumed on Katarr
Most characters on this list need a fleet or a superweapon. In Legends, Darth Nihilus turns his own hunger into a planetary catastrophe.
Jedi Masters gather on Katarr to discuss the threat facing their order. Their presence draws Nihilus to a world already populated by Miraluka, a species that perceives its surroundings through the Force.
He drains the planet’s life energy, killing its inhabitants and the assembled Jedi. The Galactic History account in The Old Republic specifically describes millions of Miraluka dying.
Visas Marr is the only survivor. Nihilus finds her afterward and takes her as his apprentice.
What makes Nihilus especially disturbing is that the massacre does not satisfy him permanently. His hunger returns, driving him to feed again. Katarr is both an enormous loss of life and a warning about what happens when that hunger reaches another inhabited world.
4. Tenebrae – Millions Sacrificed for Immortality
Tenebrae, Vitiate, and Valkorion are identities used by the same Legends villain. His atrocities belong together, beginning with the destruction of life on Nathema.
He gathers thousands of Sith Lords under the promise of saving their civilization, then uses them in a ritual that serves his own ambition. The ritual sacrifices millions and grants him immortality, leaving Nathema stripped of life and the Force.
The ancient superweapon Zildrog helps initiate the mass killing required for the ritual. Tenebrae then uses the catastrophe to empower himself.
Centuries later, he devastates Ziost. He possesses people, turns them against one another, and ultimately consumes the life remaining on the planet despite efforts to evacuate its inhabitants.
His victims become fuel for his continued existence. Nathema establishes a death toll in the millions, while Ziost adds another planetary massacre whose precise total is unknown.
His plans eventually extend to consuming life throughout the galaxy. Those plans are stopped, but the worlds he actually drains already make him one of Legends’ most destructive Sith.
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5. Kyp Durron – Most of Carida’s 25 Million Inhabitants
In Legends, Kyp Durron goes to Carida looking for his brother Zeth, who was taken into Imperial service. Under the influence of Exar Kun’s spirit, Kyp has stolen the Sun Crusher, a ship capable of making a star explode.
Imperial officers tell him Zeth is dead while preparing to capture him. Kyp retaliates by launching a resonance torpedo into Carida’s sun, setting off a disaster he can no longer stop.
Then he learns that his brother is still alive on the planet.
Kyp tries to reach Zeth, but he is too late. The star goes supernova, destroying Carida and killing most of its population of 25 million. Some people escape before the destruction.
The person Kyp came to rescue becomes one of his victims. That makes Carida more than a demonstration of the Sun Crusher’s power: it shows how quickly his anger turns a rescue mission into mass murder.
6. Grand Moff Tarkin – Two Billion on Alderaan
Leia gives Tarkin a location for the Rebel base, hoping to save her homeworld. He orders Alderaan destroyed anyway.
Her answer, Dantooine, is too remote for the public demonstration he wants. Alderaan is a prominent world whose destruction will make the consequences of resisting the Empire impossible to ignore.
The attack kills two billion people, including Bail and Breha Organa. Tarkin chooses the target and gives the order, making him directly responsible for the massacre even though someone else operates the weapon.
Alderaan’s population is the point of the attack. Tarkin intends their deaths to frighten other worlds into obedience.
His responsibility also includes overseeing the Death Star’s use at Jedha and ordering its strike on Scarif. Those reduced-power attacks devastate their targets without blowing apart the entire planets.
Alderaan alone puts his victims in the billions. Jedha and Scarif add further deaths to a strategy built around making examples of anyone standing in the Empire’s way.
7. Darth Malak – Billions Killed on Taris
In Knights of the Old Republic, Darth Malak’s forces search Taris for Bastila Shan. Her Battle Meditation makes her a valuable target, and the Sith blockade is meant to prevent her escape.
When the search takes too long, Malak abandons the effort to capture her. He orders Admiral Saul Karath to bombard the planet instead.
Taris has a population in the billions, and the attack destroys its cities on a catastrophic scale. Bastila and her companions escape aboard the Ebon Hawk while the bombardment continues.
Malak sacrifices an inhabited world to eliminate one Jedi and still fails to kill her.
Taris remains physically intact, and some inhabitants survive. Its later appearance in The Old Republic shows a world struggling with the ruins and consequences of the attack centuries afterward.
That lasting damage gives the massacre weight beyond its enormous death toll. Malak’s order shapes the lives of people born long after the fleet stops firing.
8. General Hux – Billions Across Five Worlds
Hux proposes attacking the New Republic to leave the Resistance without its powerful supporter. With Snoke’s approval, he prepares Starkiller Base and gives the order to fire.
The resulting Hosnian Cataclysm destroys five planets, including Hosnian Prime, the Republic’s capital. Billions die, and the New Republic Senate and its home fleet are destroyed.
Hux helps turn a single superweapon strike into the destruction of a government. The attack targets the Republic’s ability to organize a response as well as the people living in the system.
His speech makes his role unmistakable. He presents the coming massacre as the beginning of a new political order, then commands the weapon that carries it out.
The established scale is billions of victims across five worlds. A precise figure such as 155 billion is unnecessary to explain why this is among Canon’s largest single attacks.
Snoke belongs alongside Hux because he authorizes the same attack. Hux proposes using Starkiller Base against the Republic, and Snoke agrees.
The official account of their decision makes the chain of command clear: Snoke approves the plan, and Hux gives the firing order.
They share responsibility for the same billions of victims. Snoke’s entry does not represent five additional destroyed planets or a separate, larger death toll.
His role shows how little distance there is between a brief conversation at the top of the First Order and catastrophe for an entire system. He does not need to stand beside the firing controls to make the destruction possible.
10. Palpatine – Galaxy-Wide War and Planetary Destruction
Palpatine’s place at the end comes from the reach of his decisions. His responsibility stretches across wars, purges, and regimes rather than one isolated attack.
As Supreme Chancellor, he leads the Republic. As Darth Sidious, he secretly directs the Separatist leadership through Count Dooku. The Clone Wars advance his plan to seize power, while soldiers and civilians suffer across the galaxy.
He then issues Order 66, turning clone troops against the Jedi. His new apprentice attacks the Jedi Temple, and the Republic becomes an Empire whose military eventually fields the Death Star.
Palpatine repeatedly makes mass killing a tool of government. His responsibility includes creating the conflicts and institutions through which others carry out atrocities.
That pattern continues after his return in The Rise of Skywalker. His Final Order deploys Star Destroyers armed with planet-killing weapons, and Kijimi is destroyed to demonstrate their power.
There is no established lifetime total that proves a numerical lead over everyone else here. His position reflects the extraordinary breadth of the destruction he engineers, from a manufactured galactic war to another fleet built to erase worlds.
