BB crosses 38000 light years

BB is the penultimate boss of Fate/Extra CCC, and she has a lot of nice feats.

One such is her crossing 38,000 lightyears in an instant.

https://sta.sh/01s88yvcwwdv

Now before we discuss the calc, try to remember that she did this feat within the Far Side of the Moon Cell. Now what does this mean? This means that BB had to have done this feat within mere nanoseconds.

"It scans the entire Earth about once per nanosecond and compiles the results of its scan in its database."
"It is not within normal time, allowing for a series of communications over eighteen days from Earth to take less than a microsecond within the timeframe of the Moon Cell."

These quotes are taken directly from the Wikia, and they have a source as well for these quotes.

https://typemoon.wikia.com/wiki/Moon_Cell

So let's go with the calc.

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Distance = 38,000 lightyears
Timeframe = 1 nanosecond

First, let's convert a nanosecond to a second.

1 nanosecond = 0.000000001 seconds

So now we have 38,000 lightyears for distance traveled, and 0.000000001 seconds for time.

Using this trusty calculator: http://www.calculatoredge.com/civil%20engg%20calculator/speed%20Distance%20Time.htm

3.5951401792452e+29 meters per second

AKA 1.1992096810004473e+21 times the speed of light.

That's fast, but try to remember that the scan said that the distance traveled by BB might actually have been infinite... So yeah.

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FINAL TALLY:
BB crosses 38,000 lightyears = 1.19 sextillion times the speed of light (Beyond Massively Faster than Light)