Fantasy: Unlock the Cube from the Spell at the Beginning

At the beginning of the time travel, my sister was robbed. Not only was she imprisoned, but a group of people wanted to kill me. The devil even threatened me to live or die. Can I tolerate him? Cannot! Make a secret bet with the devil to obtain the ancient inherited spell Heart Sutra and the mysterious cube. Talisman carving enhances the magic weapon to the level of a spiritual weapon. You have a sword for 999 and I have a talisman for 999999. Small countries begged me to offer sacrifices, dynasties begged me to be the protector of the country, the king of the empire gave way to me, and the sects fought over me, but am I the kind of person who is greedy for vanity? No! Unlocking the mysterious cube can trap everything in the world. The emperor begged me to accept him as his younger brother, the demon king begged me to accept him as a domestic servant, and the fairy lady begged me to be a maid. Am I the kind of person who pretends to be sexy? I am single because of my strength! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.