Chaos Spirit Force

Cain wasn't even thinking about his other forms of Energy circulating within him. Spirit, Astral, Soul, and Lightning Draconic Energy all similarly help to massively boost his combat prowess.

The combination of Spirit and Qi Energies is seemingly something unheard of. At the very least, Kali never informed him anything about this, even when he explicitly asked about it.

But whether this was possible or not for other cultivators, Cain had managed perfectly blend their Energies properties that would make his over strength increase.

Astral Energy is even more mysterious than Spirit Energy. It relies on purely refining his physical body beyond the Mortal limit.

Cain doesn't know much else besides this. But he does know that his Dragon God body is perfectly suitable for Astral Energy. 

His Draconic Lightning Energy came from a Divine Grade cultivation manual. Naturally, this as well can majorly enhance his prowess.