I have the armor, I picked it up in the room where you fight Nito. Sorry I haven't had the time to add it to wiki yet. Doing too many things. Would appreciate if anyone could create a page for this set and add its location, it's on a corpse on NIto's Room.
Edit: made the page. Paladin Set Here. Now to fill in the info of stats is another thing!
in human form make your way to niko. you will be invaded by a paladin npc. kill him, kill the gravelord. Warp out of there and come back and its on a corpse of a fallen warrior in his room. Upgrades with twinkling tarnite, used against seath is a plus. enjoy