All the artists suddenly forgot that Servants can't get pregnant or what?

Nanau3 said in comment #2613227:

All the artists suddenly forgot that Servants can't get pregnant or what?

"Where there's a will, there's a way."

Nanau3 said in comment #2613227:

All the artists suddenly forgot that Servants can't get pregnant or what?

that's not a baby, it's a mana belly

Nanau3 said in comment #2613227:

All the artists suddenly forgot that Servants can't get pregnant or what?

It's a stupid-ass rule, so they elected to ignore it.

Nanau3 said in comment #2613227:

All the artists suddenly forgot that Servants can't get pregnant or what?

With enough command seal, you can refire even a dead star

marcymal said in comment #2613235:

It's a stupid-ass rule, so they elected to ignore it.

Either that, or Barghest has been incarnated through a Grail wish or somesuch. That's the one circumstance under which it could be possible, I guess, but it's likewise pointless to throw guesses around.