Previously-canon sources have suggested that the second was initially constructed as a backup, although he clearly knew how to use them both in tandem (a technique known as Jar'Kai), as indicated by his clash with Darth Maul and Savage Opress on Mandalore in The Clone Wars.
On one occasion, he even needed to wield his Master's lightsaber in conjunction of his own weapon. At another point he created a second lightsaber as a backup weapon.
Why didn't Palpatine use a lightsaber against Rey?
Palpatine's hatred of lightsabers actually explains both why he used one in the prequels, and mostly why he did not in Return of the Jedi. In broader Star Wars canon, it has been confirmed that Palpatine despises lightsabers, and sees them as a large contribution to the Jedi's dogmatic beliefs.
The Sith apprentice Darth Maul wielded a double-bladed lightsaber made by joining two hilts together end-to-end. Maul's dexterity and extensive training allowed him to use his weapon as a single-bladed saber, or to activate both crimson blades and fight multiple opponents at once.
Maul wielded the Darksaber on Dathomir. After Maul returned to Dathomir to help Mother Talzin regain her physical form, Maul was confronted by Sidious and Grievous at the Nightbrothers' village. He, along with Talzin, who had possessed Dooku, fought Sidious and Grievous.
Why Sidious Stopped Using TWO Lightsabers to Duel - Star Wars Explained
Why does Obi-Wan have 2 lightsabers?
Obi-Wan believed Anakin had died there, and by taking the lightsaber he was attempting to honor his former Padawan's legacy by giving it to his son. This second lightsaber would have symbolized so much to Obi-Wan: it represented all his regrets, as well as all his hopes that Luke could be what Anakin was not.
The lightsaber's redesign was a byproduct of the bleeding process that damaged its kyber crystal, rendering it dangerously flawed and unstable, and necessitating the lateral vents were meant to prevent the cracked kyber crystal from overloading.
Yoda saw his lightsaber as a weapon and a meditative tool, and vowed to never use it again as an act of penance for his involvement in the Clone Wars. Yoda chose to teach Luke Skywalker to be a true Jedi Knight without relying on combat, emphasizing the importance of selflessness over fighting.
Qui-Gon is one of the most powerful Jedi in the saga: highly skilled in the Force and mastering abilities that other Jedi couldn't, including the ability to consciously manifest after death. But more than his abilities as an individual, it was his maverick philosophy that the Emperor feared.
Apparently, Sidious had no interest in the weapon because he left it behind when he took Maul captive. Mandalorian Prime Minister Almec, who orchestrated his escape from prison, informed the powerful Sith that some of his followers had recovered the Darksaber.
The Darksaber. The only black blade-like Saber ever made, constructed with fine Beskar, by the only Mandalorian to ever become a Jedi in the Order's entire history.
Qui-Gon's apprentice, Obi-Wan Kenobi, then used the same lightsaber to defeat Maul after losing his own. After the battle, the weapon was later returned to the Jedi Temple. With the advent of the Great Jedi Purge, the blade again fell into the possession of Kenobi, who went into hiding on the planet Tatooine.
Ok so let's get into it Mace Windu survives, The fall but he has lost his weapon and is servilely wounded in now hostile territory. This is why I believe he would go into hiding for some time thoughout the early years of The Galactic Empire.
Summary. A disturbing theory suggests that Darth Vader kept one of Ahsoka Tano's lightsabers for a darker reason, potentially using its kyber crystal to improve his own blade.
The short answer is yes, without a doubt, Vader regretted becoming a cybernetic monstrosity. First, there's the constant pain and discomfort from his suit. Worse, however, is the psychological pain. Vader destroyed everything he had ever known for a chance to save Padme.
He saw her as a useful tool for his rise to power. He was intrigued by the mystery surrounding her. He wanted closure for his defeat at her hands. He had a genuine emotional connection to her.
Traditionally, yellow lightsabers are associated with Jedi Sentinels, who balance their combat skills with a strong focus on exploration and practical application of the Force. This choice reflects Rey's well-rounded training and her determination to maintain balance in the Force.
While they may not have had romantic love for each other, they became close enough that Rey would miss him after his death. The kiss at the end of The Rise of Skywalker was a goodbye to a friend who would be dearly missed.
This can be seen in the novel starwars.wikia.com/wiki/Rogue_Planet. It's because of his mastery of sorsue (sorry for my bad spelling.) Well if you want the ACTUAL reason it because in the original 3 films the Green Light Sabre didn't exist until after Obi Wans death.
The two blades were dangerous and limited the wielder. However, they could also confuse and disorient an opponent because the opponent's brain unconsciously tries to track both blades separately. In this way, the double-bladed lightsaber was as much a psychological weapon as a physical one.
Darth Maul fabricated his double-bladed lightsaber out of necessity. Sent to the Jentares system to assassinate the reclusive Jedi Master, Siolo Ur Manka, Maul found himself unable to physically compete with the warrior.
