KUN TUN TIANXIA

It all started with a whale, whose cultivation was all about swallowing things. This was a fantasy world crowded with spiritual monsters. Fan Lingxiao, the chief of Sky Vagabond, grew a little catfish into an all-devouring whale and became a world-famous spirit master. However, the whale somehow failed in a combat, and turned into a cruel zombie whale which swallowed Fan Lingxiao. When he woke up, everything had changed...

(Source: Bilibili Comics)