C154 Promoted to Core Disciple

"Yang Rui, the fourth level of the Puppet Tower is now accessible. You can engage the Puppet Array within and mass-produce Puppet Warriors at the stages of Ascension, Immortality, Cosmic Harmony, and Creation!

However, to craft Puppet Warriors at the Cosmic Harmony and Creation levels, you'll need to gather an extremely rare and arcane-infused material known as the magic crystal