15) Gibbering blade. A sword that gibbers and mumbles things man was not meant to know. Always just out of understanding but clear enough to be disturbing.
You can be heard, -5 to all stealth or silent movement. +5 DC for all enemies in earshot against fear effects.
Maybe add a few charges of the fear spell.
Dunno if it's balanced and probably out of the scope of the OP.
as OP I approve this post! lol