The shaping book says: SHAPE the PART into ARROW
It should say: SHAPE the PART into ARROWHEAD
>shape fang into arrow
You fumble around but can't seem to make that work.
>shape fang into arrowhead
You repeatedly impact the fang with the sword. It begins to thin out and take the desired shape. Satisifed, you apply pressure to the fang with the sword and etch in the remaining detail.
Roundtime: 18 sec.
I bugged this in game as well.