Ryuk's body was anything but normal.
It was an abnormal component, a combination of technology and Nanobody.
But it wasn't just any Nanobody—it was a Nanobody capable of instant regeneration and one that could cause the growth of true flesh over itself.
Ryuk's heart sped up this growth as the Nanobody created veins, tissues, and blood that coursed through Ryuk's body, its source none other than his beating heart.
If a shallow cut was made on Ryuk, blood would pour out, making anyone believe he was made of flesh.
However, if one completely severed a body part, they would see the machine part underneath, leaving them stunned and in disbelief.
Ryuk didn't think his body was anything special—or at least, that was until he saw its inhuman regeneration and, ultimately, its ability to absorb an energy known as Source Energy from the rejuvenating pool.
