Skere Kaan
Skere Kaan is an existing character from Legends.[1]
At some point before his death in 1,000 BBY, Kaan created a set of seven amulets later called the "Kaan Heptad," which allowed the Force-users wearing them to unite their powers. However, infighting among Kaan's fellow Sith prevented him from using the Heptad to its full extent. One amulet from the Heptad was later incorporated into the Glove of Darth Vader, and the rest found their way into Palpatine's collection of Sith artefacts on Byss. In late 5 ABY, Palpatine completed the Kaan Heptad using the amulet from the Glove, and in early 6 ABY he used the Heptad in an attempt to bring every darksider in the galaxy under his power, but failed when he saw himself forced to use the Heptad's power to stop Byss's star from exploding instead.[2]