Give an extra +1 to potential multi-shot to rangers wielding the
Longbow of Diana and shooting any type of arrow. When an elf ranger
has been wielding an elven bow to shoot elvish arrows or an orc
ranger has been wielding an orcish bow to shoot orcish arrows, they
lose their racial bonus but won't lose any multi-shot capability by
switching to their quest artifact. Human and gnome rangers gain the
+1 bonus. (I have no idea how a gnome could wield a longbow. One
would need a step ladder to hold it vertically, and could only draw
the string back a stubby arm's length if they held if horizonally.)
That bonus gets applied before feeding the multi-shot counter to
rnd() so doesn't mean an extra arrow every time. And you have to
be wielding your own quest artifact--in addition to it being the
appropriate launcher for the ammo you're shooting--so doesn't provide
any multi-shot benefit to other types of characters who wish for it.