Ryuu followed silently beside his teacher he had seen and learned many wondrous things, things beyond his imaginations things whish made him feel powerless, a person so strong that he might just die if that person opens their eyes and looks at him he does not know what to feel because of it.
Celestia glanced at Ryuu, she could really guess what was really going through his mind as she spoke, "Ryuu there is no need to feel anxious because of it, you are young and you have a long road ahead of you, everyone were once in your position including us and that Baba we met before young and weak but see where we are now, whenever you feel down thing about others in your age group I doubt there are any who have achieved as much as you in cultivation at such a young age as such you should not feel anxious or dejected."
Regarding the last chapter, I want to point you out that previously when Pangu fought against Ochilysse he stated that she was a 'TRUE IMMORTAL' as such under no condition he would have managed to kill her the best he was able to do was seal her like all others who previously managed to defeat her by sealing her for the first time, and the woman who was masquerading as Akhileswara who knows who she is....