Originally Posted by
Troacctid
Well, one good reason not to take unseelie fey would be that it cuts you off from a much better +0 LA template: ghoulish creature. It's like necropolitan on steroids. Like necropolitan, it changes your type to undead, changes all your hit dice to d12s, and gives you +2 turn resistance; however, it also gives you +2 Str, +4 Dex, +2 Int, +4 Wis, +6 Cha, +2 natural armor, and paralyzing natural attacks. Since this template can only be added to giants, humanoids, and monstrous humanoids, changing your type to fey makes you ineligible for it.