How strange that their descendants are so weak. These cruel foes will ambush you and relentlessly attack with their searing venom. Once thought extinct, they have reappeared at the edges of the world. Acquiring the Hunter's Journal allows The Knight to acquire additional notes on an encountered and defeated enemy such as bits and pieces of lore, information on how to deal with the enemy, and information on The Hunter. Primal Aspid is an enemy in Hollow Knight. The enemies are creatures that have succumbed into The Infection and has turned them into hostile beings who are determined to kill anyone who crosses their path.