I've been quite interested in playing a battle smith artificer/psi warrior fighter multiclass which I think would fit your theme and desires for rp. From my imagination he has a negative history with a high level fiend, who only spared him because he had psionic potential (or potential to create chaos), which results in some daily compulsions regarding his revenge while he is navigating the line between Good and Evil, starting LN. The artificer seems amenable to reflavoring to future tech, but I'm not sure how a demon would relate to sci-fi. The character build I envisioned would end up primarily melee with healing/buffing/control and ranged as it was most useful, giving a lot of tactical options, but not excelling at anything in particular at max level. His goal is revenge and further justice / protection of the weak, and I imagined challenges to his commitment to Good/Evil based on events in a campaign (i.e. the most efficient pursuit of his ultimate target / what he thinks of himself / what his lost child would think of him). Ultimately, this is kind of what I was thinking of building towards: <a href="https://ddb.ac/characters/87461843/Cs5cpe" rel="nofollow">https://ddb.ac/characters/87461843/Cs5cpe</a> , bouncing between artificer and fighter as was most useful, but I'm not certain I've got the most useful build for a given party, it is how I've imagined the character.
