The Great Old One had achieved miraculous things and witnessed his species' planetary war. The ancient creature was no stranger to magnificent events, but something about Khan's power managed to shock it.
Khan's power wasn't as vast as the Great Old One's or its brothers and sisters. Yet, it was unfathomably profound, exerting authority on layers of existence that shouldn't be able to have ears, let alone listen to him.
The shock intensified when Khan bent his hand, piercing the wall of frozen mana with his fingers. That energy's high temperature started to burn them, but the suffering ended as soon as Khan voiced another mental order.
'Shatter,' Khan ordered, releasing more mana into the frozen blue wall of energy.
