I Have a Lot of Magic Weapons

[Kneel down and beg for collection, flowers, votes, and anyone who sees it please come in and help! ] I worked hard and exhausted half of the resources of the immortal world, and finally made a magical weapon with thousands of uses before I died... I hold a magical Rubik's Cube, which can be used in countless ways, but why does it always feel familiar... I have created thousands of uses for the emperor, and I will only serve one master in my life. Since I was created by you, even if I travel across all realms, I should serve you as my master... This is the story of an ordinary young man who relies on what he did in his previous life to enjoy the blessings of this life. This story is purely fictitious. If there is any similarity, please contact me and we can make friends. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.