Thread:BippityBop/@comment-2601:205:100:7774:FDBB:90BD:8C24:1C5E-20170720002435/@comment-28450065-20170720004411

Ghost Leviathan is not implemented in the void yet, which is why it says unimplemented next to that specifically.

And juvenile Sea Emperors do not yet spawn in experimental, they may have completed it but they won't add it for a little while longer.