Sai cha In lightsaber combat , a sai cha was a rare instance when a Jedi beheaded his or her opponent . In general , " sai cha " was reserved for either droids or biological opponents that presented a great danger and resisted non - lethal subduing attacks ( such as cho mai ) . Only individuals like Simus with great strength in the Force were able to survive it , and even in his case it may have been impossible without the particular physiology of the Sith species . It was one of the lightsaber techniques known as The Marks of Contact . Notable uses . Droids were regarded by most Force - sensitives as neither honorable nor dishonorable , with the exception of a few heroic notables . For example , Obi - Wan Kenobi beheaded General Grievous ' s MagnaGuards on board the " Invisible Hand " and during the Battle of Utapau . During the time of the Galactic Republic and after time traveling into 41 . 5 ABY , Relin Druur beheaded a few Massassi warriors aboard the " Harbinger " . Darth Malgus applied sai cha against his master , Vindican , after killing Kao Cen Darach aboard the Korriban space station . Jedi Knight Ulic Qel - Droma used " sai cha " during the Freedon Nadd Uprising to end the life of Warb Null . During the Sacking of Coruscant , Darth Angral used " sai cha " on the helpless Supreme Chancellor Berooken in his office . Dark Lord of the Sith Darth Bane applied " sai cha " against a defenseless Sirak when the Zabrak begged for mercy , and ten years later on Jedi Lord Valenthyne Farfalla during their duel on Tython . In 37 BBY , Qui - Gon Jinn was forced to apply the " sai cha " against Baroness Omnino of Vena , as she was in possession of a psychic augmenter , a sophisticated device that enabled her to control the minds of others . Jinn was forced to decapitate her to save the lives of Obi - Wan Kenobi and Supreme Chancellor Finis Valorum , and knocking the Baroness unconscious was not an option , as her dangerous mind may have remained active . Mace Windu used " sai cha " to kill Jango Fett in the Petranaki arena on Geonosis . He also attempted to use this move on Darth Sidious , until Anakin Skywalker intervened . Anakin Skywalker used " Sai cha " on a IG - 100 MagnaGuard during Mission to Skytop Station . Ventress attempted " sai cha " on King Toydarian Katuunko , until Yoda intervened . Dark Acolyte Asajj Ventress used " sai cha " on an Unidentified Green Company trooper during the Rescue on the Tranquility . The Secret Mandalore Pre Vizsla attempted " sai cha " on Jedi Padawan Ahsoka Tano , until R2 - D2 intervened . Padawan Ahsoka Tano used " sai cha " to behead four of Pre Vizsla ' s Death Watch warriors . The Zabrak Nightbrother Savage Opress used Saber throw and " sai cha " to behead four Falleen warriors including Xomit Grunseit during their Mission to Mustafar . Sith Lord Darth Maul performed several brutal " sai cha " marks : first on several villagers on Raydonia and later on the Death Watch ' s Secret Mandalore Pre Vizsla in the Mandalore Throne Room during their takeover of Sundari . Anakin Skywalker applied " sai cha " on Count Dooku onboard the " Invisible Hand " . Notably , this instance was carried out using two lightsabers in a scissor movement , and was performed on an already helpless opponent . On Kashyyyk , Master Yoda performed " sai cha " on Clone Commander Gree and a fellow trooper after Order 66 was initiated . During the Great Jedi Purge , Darth Vader was infamous for beheading his opponents with his lightsaber . Bol Chatak , Iwo Kulka and Siadem Forte were among his more well - known victims . Several Jedi were forced to employ " sai cha " during the Great Jedi Purge . These include Roan Shryne , who performed " sai cha " upon Commander Appo in the Imperial invasion of Kashyyyk , and Jedi Master Tsui Choi , who applied it against a clone commander in 19 BBY . A ' Sharad Hett decapitated Resk during his time as a bounty hunter . Inquisitor Jerec performed two brutal " sai cha " marks : first on a helpless Morgan Katarn , and later on Jedi Master Qu Rahn . In 26 ABY , Tahiri Veila applied " sai cha " on Master Shaper Mezhan Kwaad using Anakin Solo ' s lightsaber . Jedi Master Luke Skywalker applied " sai cha " during his final confrontation with Shimrra Jamaane , Supreme Overlord of the Yuuzhan Vong . Skywalker beheaded Jamaane with the crossed blades of both his and his nephew Anakin ' s lightsaber , much like how his father beheaded Count Dooku nearly fifty years before . Jedi Master Tresina Lobi felled by a " sai cha " strike from Dark Jedi Alema Rar , during their duel in Coruscant ' s Fellowship Plaza . Dark Lady Lumiya received a " sai cha " strike from Jedi Master Luke Skywalker , ending both their duel and her life . In the underlevels of Coruscant , Darth Caedus applied " sai cha " against the Falleen Jedi Thann Mithric . Luke Skywalker used " sai cha " to finish off Sith Lady Olaris Rhea during the Skirmish at Sinkhole Station . During the Duel in the Dathomir landing meadow , Jedi Knight Ben Skywalker , applied " sai cha " to a Sith Saber . On the planet Daluuj , an Unidentified Rodian Sith received a " sai cha " strike from Shado Vao at the end of the skirmish . Darth Stryfe beheaded Darth Reave after he transformed into a rakghoul mutant on Had Abbadon . Behind the scenes . Beheading of opponents is normally not available in " Star Wars " computer games , because of censorship and rating issues . However , in " " and " " , beheadings and general dismemberment are possible using the " Saber Realistic Combat " function which is accessible through a . In some cases you didn ' t even need to attack your opponent if they are running right at you , all you need to do is turn in their direction . It is also available in . In the novelization of " " , Darth Sidious kills both Saesee Tiin and Kit Fisto this way , and proceeds to decorate his desk with the deceased Master Fisto ' s head . In the " Star Wars : The Clone Wars " episodes " Eminence " and " Shade of Reason , " the Cartoon Network airings of the episodes had censored the scenes where Savage Opress and Darth Maul performed sai cha on the Black Sun leadership council and Pre Vizsla , respectively . The cut sequences were restored on the DVD / Blu Ray release .