I feel you, old player - I stepped out for about 2 and a half years and all sorts had happened - ships, mods, Brexit, Trump… The obvious new thing that is probably most of a driver for your relic choices is the introduction of Galactic Legends. You’ll be wanting one or two of them before you get very much older. I’d relic characters that get you closer to a GL - eg Sith Eternal Emperor would be worth thinking about. Have a look at the GL requirements and pick one you feel is doable. Don’t worry about forum posters saying this or that GL is rubbish- the truth is they all bring a lot to your game (& new ‘lifter’ characters and datacrons are adding facets and magnitudes of utility