I couldn't belove the gaps in the skills. So I canned History and put in a Lore skill as a catch all.
I think I just fixed the entire Knowledge skill system.
Your welcome
Nature- Humanoids, Fey, Giants, The Underdark, The Wilderness ( geography ) , Vermin, Weather, Climate.
Arcana : Ancient Mysteries, Magic traditions, Arcane Symbols, Cryptic Phrases, Constructs, Dragons, Magical Beasts, Spells, Magic Items , Planes, Alchemy .
Religion : Gods and goddesses, Mythic History, Ecclesiastic Tradition, Holy symbols, Undead.
Lore : ( Replaces History ) Royalty, Wars, Constructions ( Engineering / Architecture ) , Legends, Laws, Customs, Traditions, Lineages, Heraldry, Towns, Citys and Countries.
If there is a subject that is not listed just jam it into one of the above.
If it dosent fit, just press on it harder.