The Slenderman is a ghostly figure who feeds on the agony of other creatures. These undead spirits can only appear in places where they are summoned. This Slenderman has a particular bond with Suzy and does anything to protect her from the demon hiding inside the ghost of Millie.   A huge burst of emotions, full of pain and suffering, is enough to summon an avatar of woe. Even sometimes, the intensity of such emotions attracts an avatar’s attention and it can appear on such places without being summoned. Once summoned, an avatar of woe feeds from the emotions that called it and tries to destroy the ones that acts against woe.