How did Ruby message affect Remnant?
Of the many things that happened within Volume 8, one of the biggest things that I feel have been overlooked is Ruby's message to the world about Salem, the relics, and the maidens. While Ruby definitely made the right choice to tell the world the truth so that they can be prepared for Salem, people will no doubt react to the message in mixed ways.
Mass Panic
A big reason why Oz kept the truth about Salem from the rest of the world is that if people learned that there was a vengeful immortal witch who wants to end the world, people would naturally freak out. And when you live in a world in which demonic creatures are drawn towards such emotion, keeping a secret like that from the rest of the world makes a lot of sense. This was even addressed in volume 7 when Ironwood explained his plan on telling the world about Salem. Though he had the intention to use the Atlas military to help out where needed due to the panic that would break out. But given the fact Remnant's biggest military force has now been destroyed, that option is completely out the window. So suffice to say that things are about to get very bad in Remnant.
Skepticism
Now while people will no doubt panic over Ruby's message, others will most likely doubt the truth of the message. After all, the idea of an immortal witch who controls the Grimm and being responsible for all the recent disasters that have happened along with magic apparently being real does sound pretty crazy. It also doesn't help that they're being told this earth-shattering news by some random teenager. Now to Ruby's credit, she did state that Professor Goodwitch and Headmaster Theodore can confirm what she's saying. Yet even with respected and well-known public figures backing up Ruby's claims, I can see that still not being enough to convince people. After all, if people in real life think factual things such as the earth being round and global warming existing are lies, than accepting what Ruby is saying is going to be a hard pill to swallow.
Allying with Salem
This is honestly the most dangerous thing that could happen as a result of Ruby message to the world. While Oscar and Oz managed to strike a vital blow to Salem allies in volume 8, the fact that people now know of her existence will give Salem an opportunity to recruit new minions. While Ruby did state that people shouldn't give up just because Salem can't be killed since if she's as powerful as she claims to be, she would have won centuries ago, not everyone will see it that way. Just look at Hazel after all. He saw Salem not as a person, but as a force of nature whom can't be stopped, which is why he ended up allying with her. The only reason why he broke away from her was due to the fact that Oscar and Oz made him realize that Salem didn't want to remake the world, she wanted to end it. Thus it made him realize that everything he did for her was nothing more then a disservice to Gretchen memory.
Yet people won't know that Salem goal is to end the world and will flock to what they believe is their biggest chance of survival. It also doesn't help matters that when Salem hears Ruby speech, she isn't worried, instead she's smiling. I wouldn't put it past her if she started playing god again like she did when Oz first reunited with her in which she goes to various towns and get people to fight for her.
Pushing characters into action
Now for all the disastrous things that will happen as a result of Ruby message to remnant, there is some good that will come out of it. We already seen it in the form of Ghira contacting Lilia during the montage, so we know that the White Fang will be helping out in the fight against Salem. We'll also no doubt see Tai getting into the fold since between learning the truth about Salem and realizing just how much danger his daughters are in now (along with how he upset he was over Ruby message being cut off) he'll want to help out. This will no doubt lead him into tracking down Raven with Raven getting involved in the fight as well after years of running away
I also wouldn't be surprised if the criminal organizations such as Junior's and the Spiders actually ended up helping the heroes fight Salem. Sure, its just as likely that they may ally themselves with Salem but at the same time, there have been cases like these in which villains will go "Hey, we may be evil, but we aren't that evil!" in regards to a larger threat.
