...few come to the material plane. When they do, they prefer to remain as inconspicuous as possible.
But if this appearance evokes any negative reaction, this is usually soothed by the orrek’s lively manner and pleasant, if simple, way of speaking.
I'd recommend we add detect chaos and detect law to the SLAs.
Other than that, just feats and skills.
Diplomacy, Disguise, Hide, Knowledge (any one), Listen, Move Silently, Sense Motive, Spellcraft, Spot?
Feats: 2

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.