Luke Skywalker debuted a Modern , dark-green lightsaber inReturn of the Jedi , but just when inStar Warscanon was the artillery built , and how ? When it come to Luke ’s Jedi weapon , it ’s theblue Skywalker lightsaberthat has received most of the attention . It ’s this vane he wield in the first two original trilogy movies , that ’s used by Anakin in the prequels , and then is pass on to Rey in the sequel . Meanwhile , Luke ’s dark-green lightsaber is miss in activity , with   its only appearance in the Disney movies during a flashback , and   just a clue inThe Last Jedi ’s novelization that it was with him on Ahch - To .

However , that should n’t take away from the importance ofLuke ’s green lightsaber , which was a big mass whenReturn of the Jediwas free in 1983 . Up until then , audiences had only seen either blue ( Luke and Obi - Wan ) or red ( Darth Vader ) lightsabers , so present green into the mix was a actual change . Luke needed a fresh lightsaber after losing his hand during his duel with Vader on Bespin , and so he eventually had to set about making himself one , which also help cement his becoming a Jedi .

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Although there ’s a one - year clock time gapbetweenThe Empire Strikes BackandReturn of the Jedi , Luke built his green lightsaber more towards the events of the latter . A deleted conniption fromReturn of the Jedishows Luke pose the cease touches on his unexampled artillery in a cave on Tatooine , with R2 - D2 and C-3PO there with him . They head off to Jabba ’s Palace , allow Luke to make his own rescue attack a niggling later . The scene was likely scrapped to preserve the surprise , but the mo itself is well fleshed out in the third-year novelization of the movie , Return of the Jedi : Beware the Power of the Dark Side , from 2015 . Set in 4ABY , the same twelvemonth as the movie , the canon book cut into a little more into the construction of Luke ’s light-green lightsaber , reveal that fill out it in a cave on Tatooine , using instruction manual found in Obi - Wan ’s journal in his derelict field hut :

" And yet he seemed to know exactly what he require to know . Reaching out with his mind , he feel the right piece - some easily buy , some much heavily to develop . After leaving Obi - Wan ’s hut , he sleep together he had at last collected everything he involve . While our other Hero of Alexandria bustle about prepare for the delivery , Luke retreated into the solitude of a desert cave and mystify over the pieces … In the end it took not just forcible tools but also the Force to put it all together and play the crystal within to aliveness . "

There is n’t much more in term of detail offered , but the   canon explanation does   broadly keep with the volume of theStar WarsLegends one , which was explained inShadow of the Empire . There , however , the operation was far more detailed , with Luke writing his own account of the steps he take to work up the saber , including collecting most of the materials from around Mos Eisley , and making his own synthetic kyber crystal since they were in scarce supplying . It take him over a month to complete , despite the Quran saying that"a Jedi Master in a hurry could retrace a young lightsaber in a mates of 24-hour interval " , which show even then he was n’t at that level yet . While that is n’t canyon , it   seems at least some of the existent edifice process was similar to the sometime EU . One interesting point of interrogation is just whereLuke get the kyber crystal for his lightsaber- rather than it being semisynthetic , one fun hypothesis suggests it ’s actually that of Obi - Wan ’s overlord , Qui - Gon Jinn , though   it ’s rather unsubstantiated . Still , Luke building his lightsaber in Obi - Wan ’s army hut from his schematic drawing make believe sensory faculty , and serves as a utile explanation for why the weapons face so alike .

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Of course , becauseStar Warscanon is mussy - even in the Disney era , despite them trying to streamline it - the novelisation is more or less oppose by thecomic bookAge of Rebellion : Luke Skywalker . Set between the events ofThe Empire Strikes BackandReturn of the Jedi , it sport a black - robe , green lightsaber - wielding Luke Skywalker on a mission to raid an Imperial refinery in the Outer Rim . While it ’s still potential that Luke went and built his lightsaber on Tatooine , this switch the timeline middling , as   summate a whole other mission before the deliverance of Han Solo means there ’s a much boastful gap ( at least months ) between completing the green lightsaber and its first on - screen appearance inReturn of the Jedi .

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Luke Skywalker in Return of the Jedi.

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