Commenting blindly on this, but on the potential commentary on this...
So, why does the Son wants to kill us? I mean, we are technically invited as well, right? Since the Force actually pushing us to be there as well.
And this...
There's two Sources of infinite force power somewhere on their home planet, one attuned to the Light Side and one attuned to the Dark Side: The Font of Power and The Pool of Knowledge. You can only use one of them because using both turns you into The Mother. Guess which one The Son and The Daughter each used.
My hedge is, on arbitary recalled collection on the Father/Mother and Son/Daughter...
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Son: Either wants to kill us like Edge, or worst case (if we're 'cool Dark'.) Waifu or corrupt us, hard. Might be worse/better on the other reactions...
Daughter: Probably more inclined to kill us due to Wild Card status (Dark VS Light must continue!), but she might end up having minor ire/groaning over how 'balanced' or orderly we are in contrast to every other 'villian', say...
Father: ... Honestly, if we play our cards right, I'd be more worried on the Father falling in
love with Ciaran, or at least being under the blues on what his actual 'wife' used to be like... Which might either lead to
Ciaran, becoming the Anakin back-up plan, or...
In b4 dating/marriage proposal's with a Force being of Balance, and awkward 'The Wife' title being treated with "Step Mom" hilarity of cosmic shenanigan's... And either forging/making a different sort of 'legacy'/power that's I'd dub something along the lines of say... "The Script of Reason/Wisdom."
But worst case scenario, if Father wants Anakin to take over his role, say... He miiight just ship Ciaran with Anakin, and all will turn into awkward force family gods divinity dating shenanigans.
But the family commentary cannot continue, without yes... Mother.
Mother: ... Honestly, depending on what spectrum/angle we are with balancing. She might end up becoming Yandere for Ciaran, possibly. Or possibly be the greatest temptress that might see 'Ciaran' as an ideal enough host to possess/be 'one' with. Or possibly with envy, if we're say; able to 'tame' or at least handle Light/Daughter and Dark/Son like
she used to, and without her powers/abilities or immortality...
Either that, or alternatively, if she's that desperate, might instead try and 'boost' Ciaran in some way, or depending on how far we go up the mystery trip, may end up seeing us as either a 'rival', or at worst start view of Ciaran as a 'Reincarnation', and force shenanigans might open up a link to possession anyway, even if say; slumbering.
Either way, fracture wise... Probably best to try and avoid her interests, if at all possible. Least she ends up taking a Roa like approach to Ciaran, or worse view her with envy.
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One last thing...
Depending on how things go. There's a chance that FAIK, Ciaran (or possibly Anakin, depending on how the mystery trip goes.) Might even encounter a sighting, or worse be in possession of the "Dagger of Mortis..."
And though me imagining Ciaran being something like SHIKI with that dagger, like the badass ancient 'proto lightsaber' it is, is cool... I'd frankly say, better be more worried on being at points end of such a dagger here, or possibly envy/nostalgia by Daughter/Son before being possibly being confused as a possible 'Mother', or a 'reincarnated' Servant/Mother, 'say'...
Now, to see what other commentary is around, or in b4 'Father' ends up seeing us with a severe case of the blues, if we're 'kinda' like what the Servant/Mother used to be, in some respects...