and as payment, they lost their subjects and their castle.Overusing that dangerous oni magic means you'll have to pay the price eventually.The Inchling royal line was able to control that oni magic with the power of the Shining Needle Sword, which had fed on oni blood.However, that plan ended in failure.In the distant past, the Inchling kings overindulged in luxuryThe magic of the Mallet is that of the oni.Even the innocent Inchling princess Sukuna Shinmyoumaru ended up losing her home and family...