It's actually Wren who explains why, exactly, the Darksaber is so heavy. In an episode of Star Wars: Rebels, she remarks, "Energy constantly flows through the crystal. You're not fighting with a simple blade as much as you are directing a current of power. Your thoughts, your actions, they become energy.
The wielder's thoughts and actions flow into the Darksaber to fuel this energy, affecting the weight. Din came into both Darksaber battles preoccupied with his thoughts on Grogu, whom he had left with Luke Skywalker at the end of The Mandalorian Season 2.
Kanan's words clearly express Lucas' sentiment that lightsabers contain and produce a tremendous amount of energy, resulting in a sensation similar to wielding an incredibly heavy weapon.
Because the Darksaber's sentience intertwined its fate with the rulers of Mandalore, Mando's rejection of that role meant that their wills could never align. That's why he has so much trouble wielding the weapon: it doesn't want to be wielded by a selfish bounty hunter who doesn't care about Mandalore.
Ironically, the more Din Djarin uses the Darksaber the greater those issues likely become, because he knows this weapon should be used by the ruler of the Mandalorians - and he doesn't feel up to that task.
The SURPRISING reason the Darksaber is so Heavy | Star Wars Explained
Why is the Darksaber heavy for Mando but not Bo-Katan?
Accordingly, the best explanation is still that the Darksaber doesn't personally approve of Mando. Bo-Katan wanted to unite and rule Mandalore (even if she'd temporarily given up), so she could lift the blade. The same went for Moff Gideon.
Din Djarin gave up the Darksaber so that Bo-Katan could rule Mandalore -- but not because he wasn't worthy of wielding it. Lightsabers are so deeply embedded in pop culture that even the most casual Star Wars fan knows the weapons' basics.
When he passes away, it gets passed down through inheritance to his son, Luke Skywalker. So technically. the Darksaber belongs to Luke Skywalker rightfully.
By Mandalorian tradition, the Darksaber can only be claimed by someone who won it in combat. Bo-Katan simply picked up the saber, meaning that she has no right to it according to creed.
In conclusion, Form VII, also known as Juyo or Vaapad, is undeniably the most aggressive lightsaber style in the galaxy. Jedi Master Mace Windu's mastery of this form exemplifies its power and its dangers.
In contrast, Din Djarin's armor was made from pure beskar, earned through the bounty on Grogu. This made Djarin's armor rare and even more durable than normal Mandalorian armor, allowing it to stay shiny and undamaged even when he walked into a barrage of blaster fire.
Beskar, also known as Mandalorian iron or Mandalorian steel, was an alloy that was used in Mandalorian armor and was notable for its high tolerance to extreme forms of damage. In its purest forms, the metal was durable enough to withstand a direct blaster shot and could repel lightsaber strikes.
Mandalorian armor forged from beskar was highly prized for its incredible resilience, and while sets of armor were often passed down from one generation to the next, beskar armor was considered the most valuable.
At the time of The Mandalorian story, it is pretty clear that Moff Gideon is not a Sith Lord even though he has the Darksaber in his possession nor does he have any links to the Jedi. Moff Gideon is nothing more than one of the Empire's existing bad guys who officially worked for the Imperial Security Bureau.
He used the blade during his conflicts with the New Mandalorians, including his successful takeover of Mandalore. After the coup, renegade Sith Lord Maul killed Vizsla in a duel and took the Darksaber as his own, becoming the leader of Death Watch.
The Armorer trained Djarin with the Darksaber, before Paz Vizsla challenged him to a duel, as Paz was the descendant of its original creator. Djarin and Vizsla dueled, though Djarin ultimately won. However, he was banished from the ways of the Mandalorian after the Armorer discovered that he had removed his helmet.
Why can Bo-Katan use the Darksaber better than Mando?
Naturally, the same rules of the Darksaber apply to Bo-Katan, though she wields the weapon with ease against Djarin's captor. This is presumably because Bo-Katan possesses much greater confidence about her identity, even when she has lost faith in her mission to restore Mandalore.
Answer: Yes, the Darksaber contains a Kyber crystal, which is its power source. Like all lightsabers, the Kyber crystal within the Darksaber focuses the weapon's energy on producing its blade.
To say goodbye, Djarin removed his helmet and let Grogu see his true face for the first time. Din returned to his old ways, tracking down bounties for pay and reunited with the Armorer and his old covert. But upon admitting he had removed his helmet, he was banished.
Bo-Katan lost scores of loyal soldiers in Gideon's surprise attack, and now the Darksaber itself has been destroyed. Even if the Armorer could have repaired the hilt after it was crushed in Gideon's super-strong fist, we assume the massive explosion from the falling ship obliterated what was left.
Jango Fett was a renowned Mandalorian bounty hunter, assassin, mercenary, and the father of Boba Fett, a genetic clone of his, whom he raised as a son. A Human from Concord Dawn, Fett was adopted by Mandalorian warriors following the murder of his parents and the disappearance of his older sister Arla in 58 BBY.
