San Tian Liang Jiao
So, The goblin traded for the sword by offering some "secondly distilled" Alcohol. I have a vague hunch of that alcohol being urine, why else would the dward blacksmith create a goblin killer weapon. The dward probably saved the "high quality" alcohol for some special occasion, only to find out its a jar of piss.
Author insertions took up too much of the chapter like he was afraid of being short on word count and said "Hey I can insert my thoughts like it's part of the story and bloat it to meet the required count". To make things worse he doesn't have anything to annotate it's his words and thoughts so it gets blended together into a mesh of crap sometimes.