Without any need to flesh out and put limits to her abilities, then? Just "can create Noble Phantasms and physical objects"?
<Snipped quote by Zobozun>
I listed what we've actually seen her use in the anime/manga. Theoretically she could have Archers entire arsenal, but I was trying to limit myself as necessary for the sake of the GM.
Kanshou and Bakuya are her default combat weapons anyway, not something like Excalibur (Which she only used because of bodyjacking and infinite prana via Second Magic)
You seem to fundamentally misunderstand things about NP's. The cost of their abilities is not a randomly variable thing, and being a higher rank doesn't inherently mean that it's a better sword in combat. Excalibur, even if NOT projected, is not a OHKO sword of doom in melee. Rho Aias is not a feasible defence against anything you're not expecting to promptly annihilate you if it hits. Results aren't something you can just dial down; making Caladbolg II a quite literal artillery piece. Not a highly-versatile short-range explosive.
<Snipped quote by Earnest Evans>
Er, Excalibur's only notable strength is its ability. A fragile, breakable variant of a sharp sword is not actually that big a deal. Also, projecting said thing isn't an option outside of heroic sacrifices.
Rho Aias is an extremely mana intensive shield against ranged attacks. So, it might shield people from an equally-powerful attack, but there goes most offensive ability.
Caladbolg: so we're comparing it with actual artillery? In that case, I don't see the problem. It's nothing special in the RP.
Exaggerating.
<Snipped quote by Earnest Evans>
So wrong on count one, wrong on count two, wrong on count three, and a bunch of things that are less significant than characters who simply happen to have a wide variety of swords.
FFS, if limited to the first three we have:
1) Suicide attack (Projecting Excalibur is not feasible more than once. Literally. And it's only useful if you USE the thing)
2) Extremely exhausting shield against ranged attacks.
3) Caladbolg: actually seems to mostly create an explosion. Since it fails to hurt Berserker with a direct hit, Saber being in the explosion radius, or do more than scratch Shirou, it's not actually that huge.
Now, Archer's actual use of NP's in UBW? Caladbolg IIwhilst he still has a Master. There's Rho Aias UBW after that, but that almost kills the guy, and he's not even doing the insane 'charge these things with mana until they break' trick there. Plus it almost kills him. You're exaggerating.
And if it's really a problem to the GM, I can limit her to Kanshou + Bakuya, Excalibur, Cadalbolg II, Fake Nine Lives, and Rho Ais.
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Castle: SE wants to steal from it, other people are getting ready to stop them.
Shocker+ is on a recruitment drive and I have no idea how they're managing it.
Someone just set a school on fire.
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Fair enough.
Seriously though, she only has some of his abilities, not all of them. As far as the series has gotten, she can't generate a reality marble, or make multiple copies of NP's in midair (IIRC). And she's not as good at it as Archer himself is. And if she burns through all her prana, she'll cease to exist. So it isn't that bad.