Lore is found randomly around the world, they are found in abandoned structures around the many islands. Since the world is randomly generated there is no guaranteed spawn location but, there are places to search that are better than others. For one, They do not spawn on normal skeletons these include the ones in vaults and labyrinths, you simply can’t find lore in labyrinths, However, you’ll get 1 piece of lore for each Labyrinth you complete totaling four throughout the story of the game. They are mostly found in abandoned cars, boats, ships, and skeletons wearing armor. The icon for lore is an open book, and will be read upon picking it up. You also do not need to have an empty slot in your inventory to collect it.
NOTE: This can only be obtained in ‘Single player’ or by the host in a multiplayer game.