OP - why did you continue to kill random roaming mobs with Quillmane already up?
Also, get GINA, prosper. Quillmane is not an instant trigger, it's timed.
These should hopefully shed some much needed light on getting more Quillmane’s:
https://www.project1999.com/forums/s...ight=quillmane
https://www.project1999.com/forums/s...ight=quillmane
Read through and study, then you should have everything you need.