the collector for the shield is in snake river by the exit of camp ronkor. they trade 5 frosted grif wings (200 each is the normal price) for the craprise crimson sheild with +45 health while in stance, and -2 damage while in stance. (going to cost 1k whether you buy it from sinep)
i think i remeber the bow being in one of the outpost/drankor forge. don't know where though. if it uses summit badges you can go to north shiverpeak.