There's only one doomsday prepper guide location in Week 4.
One of the final Fortnite Week 4 challenges tells you to collect the doomsday prepper guide. This is another story-related item that will only appear when you have the quest active and, once collected, will disappear permanently. But most people are in it just for the XP anyway, so here's everything you need to know about the Doomsday Prepper Guide location.
Where To Collect The Doomsday Prepper Guide In Fortnite
Unlike all the other Legendary Quests in the Fortnite Week 4 challenges, this one requires you to locate just one item. We'll get to the story significance in a moment, but for now you surely just want to know where to find this doomsday prepper guide. Let's get to it.