Tessaiga is a legendary sword forged from the fang of the Inu no Taisho, said to “kill a hundred demons in a single stroke”. The Tessaiga has the ability to strike Wind Scars, releasing an energy wave strong enough to kill 100 Yokai in a single swing or destroy a mountain. It can also produce barriers to protect you and can absorb the primary abilities/attacks of those destroyed by its blade and assimilate it. It possesses a mind of its own and will sometimes guide you through wanting to be drawn and giving advice in certain situations. In its regular form, it looks like a regular, if battered, katana, but when wielded properly transforms into a giant sword somewhat resembling a falchion.