Ki Plundering/ New Technique (2).
The {Abyssal Dragon Blade} technique had been created with his discovery of the {Abyssal Crimson Slash} and how he had finally found a way to make use of Ki and devil essence in battle.
The blade technique had evolved uniquely from the previously simple {Blade Mastery} skill. It was an integral part of his fighting progress after all.
In the life-and-death battle between him and the {World Eater}, he had reached a special state. In his mumble of emotions, he finally got to experience what it was like to fully dive into a sea made of his blood.
He bathed in it and became reborn. From the depths of the crimson and black pool, a strange creature was formed...
Cain practiced the {Dragon's Gate Ki Plundering Technique}, while he had absorbed the devil essence from a few devils. The unique nature of his Ki plundering technique made it so that he absorbed a bit of the latent devil essence within every devil killed.