Holy shit I'd written a huge post and then I hit ctrl instead of shit while typing and nuked it
TL:DR
All sub 5PD bows need a boost to damage. Realistically the nomad bow could have 30 dmg but the fact that it can only get to 6PD means that the long bow will still trounce it. If the boost in power is substantial enough cut the PD req by one on everything sub the horn bow. That cut to max PD will keep the bows in line re power but will at least make them an option again.
Change the max damage output for HA 20-25 with the massive change to the amount of HP going around people in rags can tank the shots quiet well. If it can be uncoupled from head shots do it, because it's just spastic that you don't get a bonus for going for a much harder shot.
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My ideas for the what archery both HA and ground could be.
Much lower accuracy
Much lower missile speed
Much higher fire speeds on the lower bows, say a two second turn around time on the nomad instead of nearly 4.
Much higher damage output, with the granted exception of the long bow that probably only needs a minor tweak 1-2 point increase.
Increase the amount of agi need for HA bonus from 6 to 8.
Short bow becomes 0 slot for hybrids et al
Two slot quivers (no change to weight they are already fat and self concious)
Making it more of a ground control option and forcing HA to get in close and personal and risk themselves to counter attack more.
I'll come edit this when I recall the rest of my ramblings.