Board Thread:Theories and Rumors/@comment-34557616-20180411170058/@comment-30499831-20180411185842

Pythor was created for the LEGO Ninjago theme and thus existed before Chima. The gem on his chest wasn't meant to be chi because there was no such thing as chi, just a cool thing on his chest. Retroactively, there's a possibility Serpentine might come from Chima, but its not confirmed.