 After Wizards of the Coast, Noonan joined NCsoft West to work on the westernization for Aion.When work on Aion finished, he went to En Masse Entertainment to assume the role of Lead Writer for the creative writing team working on "TERA".Noonan's numerous 3rd edition "Dungeons & Dragons" design and editing credits include "Hero Builder's Guidebook" (2000), the 3rd edition "Dungeon Master's Guide", "Monster Manual", and "Player's Handbook" (2003), "Sword and Fist" (2001), "Song and Silence" (2001), "Return to the Temple of Elemental Evil" (2001), "Psionics Handbook" (2001), "Manual of the Planes" (2001), "Deep Horizon" (2001), "Stronghold Builder's Guidebook" (2002), "Epic Level Handbook" (2002), "Deities and Demigods" (2002), "Book of Vile Darkness" (2002), "Races of Faerûn" (Forgotten Realms) (2003), the 3.5 revised "Dungeon Master's Guide", "Monster Manual", and "Player's Handbook" (2003), "Complete Warrior" (2003), "Arms and Equipment Guide" (2003), "Whispers of the Vampire's Blade" (Eberron) (2004), "Unearthed Arcana" (2004), "Races of Stone" (2004), "Planar Handbook" (2004), "Frostburn" (2004), "Monster Manual III" (2004), "Complete Divine" (2004), "Stormwrack" (2005), "Sandstorm" (2005), "Races of the Wild" (2005), "Heroes of Battle" (2005), "Five Nations" (Eberron) (2005), "Explorer's Handbook" (Eberron) (2005), "Dungeon Master's Guide II" (2005), "Complete Adventurer" (2005), "" (2006), and "Player's Handbook II" (2006).