

I watched black-bullet and read the light novel quite some time ago. But just
recently watched it again because I got bored.

Something got to my mind all of a sudden after episode 4, Why is the Tricycle
the catalyst for a stage 5 Gastrea?

I looked around on the wiki etc, but couldn't really find it. But I have my
speculations, like if the human soul or something remains a little and this is
used as a triggering factor for a lot of emotions that it would form an stage
5 or something.

Nevertheless, I'm really interested if I missed it and there is an actual
mention of this or other's speculations.


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2017-12-25T18:18:33.567
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2021-11-07T19:07:15.597
2021-02-10T17:11:30.413
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question
black-bullet
Why is the Tricycle the catalyst?