Some fanfictions describe Castiel's true form as being multi - dimensional. It exists in a way that defies human understanding of space and time. His true form might be made up of what seems like an infinite number of celestial bodies all moving and interacting in a complex pattern that represents his angelic essence.
No. Ryomen Sukuna is a fictional character from Japanese mythology and modern manga/anime. He doesn't have a basis in a true historical event or person.
Nope. Ryomen Sukuna has no basis in reality. It's a product of the creative minds of the writers and illustrators who designed a captivating fictional character for the enjoyment of the audience.
It could be other elements from Japanese folklore. There are many supernatural beings and concepts in Japanese mythology that might have influenced his creation.
According to the latest information, after Yao Lao fell into a deep sleep within the 'Fallen Heart Flame', he recovered his true form with Xiao Yan's help on the 11th of June, 2024. In the original novel, Yao Lao had slept for a total of two years, which was even longer than the time Xiao Yan had been at the bottom of the tower. In the end, he saved Xiao Yan.
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