I'm not sure what your goal is here but you may not want to lower Bloodsabers Faction since that is involved in the SK epic.
What I did on my DE SK of Inny was to kill bandits for faction and let my friend turn in the sashes and sell the bronze weapons for cash. Killing the bandits gets you Qeynos Guard, Highpass Guard, Circle of Unseen Hands (Rogue Guild) and Karana Residents faction. You can test the Karana Residents faction in the zone by conning the merchants since most are Karana Resident faction.
You can turn in Moonstones to McNeal Jocub in South Qeynos in the Fish’s Ale near the docks, in wolf form, once you build enough Karana Resident faction. I suggest buying them from merchants in Qeynos if possible instead of gnoll teeth quest which lower Corrupt Qeynos Guards. Moonstone Quest turn ins get you Karana Residents, Qeynos Guards, Priests of Life and Knights of Thunder.
Also you can do the Rohand's Brandy quest in wolf form and with care to get Merchants of Qeynos, Antonius Bayle, Coalition of Tradesfolk (Freeport Merchant), and Qeynos Guards. This will lower Circle of Unseen Hands (Qeynos Rogue) but that can be fixed by killing bandits. The casters in Qeynos are still KOS to me so I stayed to the rear, opposite side of the entrance to the building to turn in brandy. I read you can go up to second floor and look down on him too and turn in the brandy. This quest is easy, not expensive and helps with two city merchant faction.
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