In the case of Pure White World Tendency, enemies will be easier to defeat and the player will be stronger, but they'll also earn less souls for their efforts. Beyond this, the color of their world will also affect the game's difficulty and the quality of rewards. World Tendency is separate for each Archstone, and in each world there are certain events that will only happen if the player's World Tendency is pure white or pure black.
RELATED: Demon's Souls Features That Should Have Been Modernized in the Remake Actions that are typically considered 'good' will shift the World Tendency towards white, while 'evil' or 'bad' actions will have the adverse effect of shifting it towards black. In the simplest of terms, as players take certain actions in Demon's Souls, their World Tendency will shift towards white or black. Despite being instrumental to getting certain items, completing various questlines, and even adjusting the difficulty of the game, there's almost no explanation of what World Tendency is or how it works. Though Demon's Souls may not seem like the type of game to include a morality system, there is a semblance of one in the form of the World Tendency feature.