Well, again, that turn dark rather fast, can see it's already been axed and mangaka is trying to rush with exposition... but...
Damn...
Although Keigo was living in modern Japan, doesn't he know it's still pretty common in the world now, even in developed countries this shit happens unfortunately...
Not sure giving the water dagger was a right choice, probably could be easily taken from her or worse.
Taking her along, even on the run would be the best choice and then arrange somehow sending to Mama.
Wasn't expecting Joni the Baldy to catch up and actually going through with joining Keigo side, what surprising turn of a heart.
Leaving Yurina alone and jumping in to the rescue was dumb, he was probably going to get captured as he technically act as a unwilling double agent, so rushing in was a huge mistake.
People saying he fought Serpent and Cockatrice, but they were easily to defeat due to their attack patterns charged move, people aren't that predictable and in tight formation stronger attacks can damage allies.
Poor Ash... if blue wolf uncles would step in they would surely die...
Thanks for the scanlation!