Cursed Spirit's Blade

The Cursed Spirit's Blade is a sword added by Thaumic Tinkerer. It has 950 points of durability and deals points of damage but will also inflict  on the wielder when an attack connects. Blocking with this sword will deal a flat points of damage to the wielder. When the player shift right-clicks the Blade will enter essentia harvesting mode, which will drop the aspects of a mob in form of Soul Aspects when slain. Holding the Blade will boost the player's speed by 25%.

Recipe
Note: This infusion has an instability level of "Very High".