"Tell me, how do you think this sea of blood that extends dozens of thousands of kilometers came to exist?"
Cain did not answer immediately and began to think very deeply about that question. The Blood Sea extended was immense, and the amount of blood full of overwhelming vitality in it was so powerful that even Titans could use it for their cultivation.
A natural inheritance could have given it birth, but Cain seriously doubted that. The reason was simple, natural inheritances were born after enough world energy gathered in a particular place, and he did not believe something like the Blood Sea could have been born that way since the time and forces needed would have been simply outrageous.
After serious consideration and discarding several ideas, only one answer came to Cain's mind.
"The corpse of several extremely powerful life forms?"