This post contains spoilers for The Acolyte finale. Lightsabers don't automatically turn red when one turns to the dark side. Anakin never bled his kyber crystal in the prequels, explaining why ...

While on the planet, Anakin’s lightsaber was damaged and he needed to get a new crystal. So, he used a Yuuzhan Vong lambent, a living crystal that produced light. His violet-bladed lightsaber ...

The choreography of this lightsaber duel leaves a little ... In an attempt to cut his plans off early, Obi-Wan and Anakin draw their weapons and attempt to overpower him together.