"When they ripped me into 7 parts, they shared it amongst 7 Knulls."
"These Knulls have a special name — Calamities."
"There are a total of 7 of them, and the 7th one was Zar'kul, whom I faced on Endearth," Ryuk explained, realization hitting Old Jack, though he refrained from interrupting.
"When I faced Zar'kul and killed him, I assimilated with him — my original body part that was in him."
"So, that's why you were in slumber for those 4 months after your fight with Zar'kul?" Mrs. Lynia asked, and he nodded.
"Yes, I was re-fusing with one of my body parts. My skeletal system, to be exact. It's the reason for the slumber and all the weird phenomena," he explained, and they inhaled.
Now, things were clearer, and some of their doubts were dispersed.
"My main body is on a journey to travel to the Upper Realm, to retrieve the remaining six body parts that I'm missing."