he wasn't really screaming. more like just hacking away.
(bare in mind that michonne and the others followed suit pretty quickly so no it was not just rick for a long period of time)

how exactly was that impression pushed? (not trying to be catty. just asking seriously)

fair enough.

uuhhhh. how do you know that was "all the saviors"?

I know right. isn't it weird how the world can function without it being shown to the viewer?

the fire wasn't to kill them. it was to attract them.
So you got sound, and light attracting zombies.