The revelation in the ancient times

While training with vale Ren asks him that he has seen ancient fires of different colors in text books what are they about vael says fine ( while sitting on a rock ) sit in front of me I will tell you everything he told Ren that elements have different

 stages 1 fire can evolve from normal fire to crimson then black black flames directly burn mana or destroy the speels cast by it

 2 lightning can evolve from blue to black with directly attacks the soul

 3 poison evolves from green to blue to black vale told Ren that if his poison ever reached the black stage 

even the dragon kings might fear him he told Ren that angels and demons have a power system weak then mid then high level and at the top are the  primordials of both the races 

he told Ren that just beneath the dragon kings 

are the 8 demon lords known as the octogram then 

he looked at Ren and said you have the black manda the ancient being who stood at the top of the power system equal to the dragon kings and Ren also has an eagle that shouldn't exist with the black manda since only a being equal to its level should survive it's power he told Ren that the beings inside him are known as the sovereign

 then 3 days later Rens fire evolved to the crimson level and vael ( talking to himself said ) so it has begun