It seems like the prophet's hand was right, the runes match the ones in the artifact itself. The device seems to be... pulsing, the runes translate into some kind of riddle "trust your heart and you'll find the way home".
Re-posting the moodboard from the first step, still aiming at that hardcore science fiction tone and feel with a consistent palette, moody atmosphere and heavy contrast, with a base rendered in UE5 using Megascans assets and the "Mission To Minerva" kitbash.