As for the Amalgamation realm, aside from being stronger than the Soul Formation realm by folds. Leo was completely aware of the unique abilities they could muster.
Making him sigh in emptiness upon being unable to wholly understand the said realm.
Akin to watching an anime but only to meet an intense cliffhanger in the end... Worse is, it doesn't have the next episode!
Causing him to overthink the possible abilities they hold.
Sigh~
"Never mind, I should focus on my current situation first.
"I should find a way to increase my foundation before attempting to increase my level and eventually advancing toward the Nascent Soul realm in the future!"
Pondering deep within himself, Leo leisurely closed his eyes as he began to delve within the depths of his soul, staring at the outer shell of his multi-colored liquified Core.