User blog comment:Chicken Bond/The Story Arrives!/@comment-26850787-20110518073341/@comment-1221909-20110518101250

Hmmm. I'm trying to piece sense of it.

So.... this is what I've assumed:

One: Mersery, has by this point in time, evolved into a massively powerful threat to the killer, greater than he is in JoD, and he decides to kill him.

Two: The killer knows the threat Mersery will become in the future, and sets out to kill him.