[quote=@Cu Chulainn]
[@Parallel Hearts]

Alrighty, this works! Thinking of going with Rank A, unless you'd rather object to it being B. Constantine's a pretty big boi, so either works.

Also, how's everything on the sheet looking so far? I've already got plans for the Church, but for Constantinople, I was thinking of some sort of base-of-operations type Noble Phantasm. I'm fine with just the Church though.
[/quote]

I think that an A-Rank on that skill would be reserved to some pretty [i]Super Star[/i] status Rulers, if you understand me. People like the really most known and beloved Saints in the world like Saint Peter, Paul, Martha and, especially Georgius (the true best Saint). Two Command Seals per Servant is probably going to be more than enough in a Servant only party.

Also, I'd say that a Church, or rather a Cathedral/Basilica (if he has any linked to his name) is a more fitting NP. A whole city is too expansive and would be most likely a Reality Marble which will end up requiring some extra level of of writing to justify, given the nature of Reality Marbles. A building, on the other hand, would be just like Nero's and Elizabeth's NPs so it's pretty much more easy to write and justify.

[quote=@Moonlit Sonata]
<Snipped quote by 1Charak2>

I'd personally recommend avoiding genuine Divine Spirits to begin with. Their manifestation's different system-wise than how Servants are manifested, as you see during a certain scene in Extella, the method BB used to obtain their value data was well outside the standard fare, and it also leads to a significant balancing hurdle. 

Mother Goddesses have their Authorities of creation and destruction going on, which is pretty nice, but unless you're counting the likes of Tiamat or the nameless goddess, a big reason they're so scary in the Moon Cell is because Divine Spirits are just flat-out terrifying in the Moon Cell relative to how they are in the material world.

<Snipped quote by Extra Mats>

With that said, you have the mortal equivalents of some Divine Spirits present in the Sakura Five, for instance Bryn in the case of Lip, who (I assume, but you'd want to check with the GM juuust to be safe) should be fine, since they don't have the same scale of stuff going on!
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I agree with you that deities with command over Authorities are really too powerful. But a "downgraded" version like the Sakura Five, Orion/Artemis, Medusa (in all forms) and her sisters, are perfectly ok if a player accepts some compromises.