Piercing Pillar is a negative psych. There are two distinct activations of Piercing Pillar. The first, known as Piercing Pillar S, requires the player to slash up or diagonally up on an empty space or enemy. The second, known as Piercing Pillar R, requires the player to quickly tap at least six times on an empty space or enemy. Piercing Pillar S pins are categorized under A class, while Piercing Pillar R pins are categorized under Reaper class. Therefore, it is possible to have both a Piercing Pillar S pin and a Piercing Pillar R pin in the same deck.