C59
Big black pot
Once he reached the Xiantian realm, Dugu Yifeng would be rid of his difficult career as a servant! He started to follow Xiaoyao Zi and started to learn the alchemy, formation techniques, artifact techniques, Taoist arts, as well as all the knowledge that must be learnt by every cultivator.
Xiaoyao Zi first taught Dugu Yifeng how to learn the simplest basic formations