The Latest Patch Quest Guide (Version .61)

Here's what I suspect:
Raven weapons, we already know for sure, are obtained and forged through the Ninja clan at their camp. The crimson weapons are probably to be obtained in the second addition to Crimsonwood that's scheduled to come later.

I didn't mention it (Though i'm about to go edit it in) but after you do two of those quests for Taggrin, you gain abilities in the Raven Ninja's camp.
The first quest will let you buy potions there.
The second quest will let you turn in Badges to Joko once a day. You can possibly get Raven weapons this way, or pure mesos. Think of it as an Exchange Quest.
The third quest will allow you to upgrade/forge Raven weapons from Fiona.

no, isaac
i found something insteresting in SW:

 Spoiler

8225.1.0 I want to thank you again for returning our map. This gesture tells me something of who you are. Perhaps someone to be trusted... a potential ally. Time will tell if my faith is misplaced. 2544506
8225.1.1 You asked me once what we were, if not bandits. <smiles> So I tell you this now: We are members of the #bRaven Ninja Clan#k, and hail from an island called the Isle of Vigilance off the northern shores of Masteria. 2544707
8225.1.2 We Raven Ninjas trace our lineage back to the ancient Masterian guild of the #bShadowknights#k, so you could consider Crimsonwood Keep our ancestral home. Our mission here is to discover the reason for Masteria's disappearance and its return. It is almo
8225.1.3 Based on what you have told me, I have expanded our mission to include the elimination of these trespassers that now occupy Crimsonwood Keep. <smiles> It's what we do best. But we will #bpay a bounty for the badges#k of those you happen to dispatch as
8225.1.yes.0 Oh, and keep this map. Jack may have been right to entrust you with it. Until we meet again, friend. 2545697

so.. raven ninjas' island? XD