It was a dark and cold morning like many others on top of the wall where the rangers stood watch on a daily basis, but this particular morning was different. The usually fresh wind that would wash away the city smog and bring new life to the sleep deprived hunters of the night watch had become stale and carried the familiar stench of dead bodies.
The smell was so strong many of the rangers fell sick and puked their guts out in the trash cans put in place for that very purpose just so they remained on their posts. But after releasing themselves instead of relief, the stench coming from those trash cans only made things worse for them.
A hunter's constitution was supposedly stronger than that and they should have been able to continue their watch like always, but the true reason why everyone felt sick was the boundless flux energy emitted by the titan level cryptid besieging their city.