Source Core Rulebook pg. 637 4.0
A rules element with this trait is one-of-a-kind. The DC of Recall Knowledge checks related to creatures with this trait is increased by 10.


Addictive Exhaustion


Ancestral Embrace, Aroden's Hearthstone, Axe of the Dwarven Lords, Azarim, Blackaxe, Blade of the Black Sovereign, Book of Lost Days, Briar, Candlecap, Cane of the Maelstrom, Cooperative Blade, Crown of the Kobold King, Cube of Nex, Devil's Trident, Drazmorg's Staff of All-Sight, Eclipse, Essence Prism, Eye of the Wise, Fulcrum Lattice, Fulcrum Lenses, Gauntlight, Grail of Twisted Desires, Grimoire of Unknown Necessities, Guiding Chisel, Habu's Cudgel, Hex Blaster, Horns of Naraga, Hunter's Brooch, Hunter's Dawn, Hunter's Hagbook, Hyldarf's Fang, In the Shadows of Toil, Iris of the Sky, Jax, Kortos Diamond, Lesser Cube of Nex, Life's Last Breath, Lini's Leafstick, Mammoth Bow, Man-Feller, Mantle of the Grogrisant, Metuak's Pendant, Miogimo's Mask, Mirror of Sorshen, Mountain to the Sky, Mountebank's Passage, Old Tillimaquin, Orb of Dragonkind, Overloaded Brain Grenade, Ovinrbaane, Piereta, Planar Ribbon, Primordial Flame, Radiant Spark, Reaper's Grasp, Reaper's Lancet, Redeemer's Pistol, Redsand Hourglass, Ridill, Ring of Bestial Friendship, Rowan Rifle, Serithtial, Shadowed Scale, the Jungle Secret, Shard of the Third Seal, Spear of the Destroyer's Flame, Spellcutter, Spiral Athame, Starless Scope, Tears of the Last Azlanti, Thresholds of Truth, Void Mirror, Wyrm Drinker


Abyss-Warped Trees, Air Rift, Angry Vegetation, Broken Rebus Attack, Brooding Fvalthahalia, Call of the Void, Charge of the Spear Legion, Collapsing Bridge, Convergence Lattice, Dahak's Shell, Dahak's Skull, Echoes of Betrayal, Endless Struggle, Entropy Choir, Final Flight, Flooding Room, Footsteps of Legends, Hall of Mirrors, Hungry Cottage, Kepgeda's Keening Cauldron, Keystone Trap, Lodestone Trap, Orb Blast Trap, Paradox Engine, Pit of Toil, Punishing Altar, Spiral Seal, Stygian Fires, Suffering Xulgaths, The Power of Faith, Tylegmut's Last Meal, Unstable Fiendfire Cage


Ainamuuren, Benthic Reaver, Bloom Of Lamashtu, Cuetzmonquali , Desert's Howl, Dragonshard Guardian, Ekundayo's Dog, Fafnheir, Grendel, Grim Reaper, Grogrisant, Iffdahsil, Kallas Devil, Kothogaz, Dance Of Disharmony, Krampus, Kuworsys, Lorthact, Melfesh Monster, Mosquito Witch, Sandpoint Devil, SiƩ Goluo, Somnalu, Somnalu Oculus, Spectral Devil, Taljjae, Tarrasque, Tehialai-Thief-Of-Ships , Temteki, The Stabbing Beast, Treerazer, Ulgrem-Axaan, Ulistul, Xotani


Amiri (Level 1), Amiri (Level 11), Chea, Duhgik, Edolpho Phinelli, Ekene, Ekundayo (Level 1), Ekundayo (Level 6), Eleukas, Gristleburst, Jubilost Narthropple (Level 1), Jubilost Narthropple (Level 8), Kalaggi Nakutu, Linzi (Level 1), Linzi (Level 7), Lisavet, Morlibint, Muruwa, Nok-Nok (Level 1), Nok-Nok (Level 5), Pr'rall, Tristian (Level 1), Tristian (Level 10), Ufi, Urok, Valerie (Level 1), Valerie (Level 9), Wendlyn, Zane Ikundi, Zhang Yong


Raga of Remembrance, Summerland Spell


Bunta, Vonthos's Golden Bridge