The Darth Atrius lightsabers are a set of two red-bladed crossguard lightsabers constructed by Darth Atrius. Darth Atrius is an ancient Sith Lord in Star Wars Canon. Each Darth Artius lightsaber possesses the ability of inducing rage in the weapon’s wielder.
The Darth Plagueis lightsaber is a single-bladed red lightsaber constructed by the Sith Lord Darth Plagueis. Darth Plagueis is a Rise of the Empire era Sith Lord who takes on Palpatine (Darth Sidious) as his apprentice.
A red lightsaber, sometimes called a crimson lightsaber, is a lightsaber blade color associated with dark side users in Star Wars Canon and Star Wars Legends.
The Darth Sion lightsaber is the red-bladed Sith lightsaber wielded by Darth Sion, the Lord of Pain, in Star Wars Legends.
The Darth Zannah lightsaber, Bane’s Heart, is an ancient double-bladed Sith lightsaber constructed and wielded by Darth Zannah, a Rise of the Republic era Sith Lord in Star Wars Legends.
The Savi’s Workshop Power and Control lightsaber theme is comprised of dark side or Sith lightsaber parts.