What episode did Mo Yuan take Yin Si to Lingbao Tianzun?

Mo Yuan's taking Yin Si to Lingbao Tianzun is episode 2 1. In episode 2 1 of to the sky kingdom, Yin Si wakes up in Mo Yuan's wine cellar and asks Mo Yuan about the East Emperor Clock. Mo Yuan told Yin Si that the Eastern Emperor Bell was powerful, and the only way to stop it was to have a powerful Yuan God to sacrifice it. Mo Yuan said that in this world, only skyclan, Phoenix and Nine-tailed Fox can seal the East Emperor Bell. Yin Si was thoughtful after hearing this. After that, Mo Yuan took Yin Si out of the wine cellar, and they decided to go to Lingbao Tianzun.