So, I recently hit level 120 and I've harvested about 15 Humming Sapphire Gems to get some expert spells made and have a chance to finish the Sig line... since that's how experts have been made since the beginning of the game. Now i'm learning that these gems are useless? I need a "shadowed" version that I need to finish a tradeskill quest line that I have no interest in, and then I need to harvest all over again using an item to see special nodes? I also need 2 rare foods per spell? Will any foods do? Thanks all.