I’ve been playing a lot of Old Republic stuff lately and it’s struck me how much of TROS seems to have been inspired by elements from it.

There’s a Force bond between two characters in the original game that is very similar to the dyad.

In the second game there’s the threat of the true Sith Empire hiding out in the Unknown Regions.

And in SWTOR there’s this concept called the Voice of the Emperor or Emperor’s Voice:

Through Sith magic and the long-lost technique of transfer essence, the Sith Emperor transferred his consciousness and life force into a host body, allowing him to interact with the world as more than just his true state as a being of pure Force energy. The host’s mind was completely suppressed, crushed beneath the weight of the Emperor’s mind, and their body literally became the Sith’s own. The Emperor utilized many Voices of different species, genders, and ages throughout his lifetime, transferring his consciousness and powers from body to body as his hosts succumbed to the ravaging effects of the dark side.

Which immediately made me think of Snoke.