> How large are the familiars' bullets?
> How close are the bullets to us?
> How close are we to the near familiar?
> How close are we to the ceiling?
> How densely populated is the air in front of us?
>They are spheres, a few inches across.
>You have a second or so before the light blue bullets reach you, a bit more than that before the next wave of dark blue bullets comes.
>You aren't much closer than before, about ten or eleven yards way.
>You have maybe two feet of clearance between yourself and the ceiling.
> Immediately, it is clear, but you will soon have dark blue shots filling it.
>_