Source: Book of Vile Darkness
Granted Power: Once per day, character can add her class level as a bonus on a Bluff, Diplomacy, Intimidate, or Sense Motive check.
Diabolic Domain Spells
1 Devil's Tail. Caster gains a spiked tail that deals 1d4 damage.BoVD 2 Devil's Eye. Caster can see in even magical darkness, up to 30 ft.BoVD 3 Devil's Ego. Caster gains 1d4+1 Cha and becomes and outsider.BoVD 4 Hellfire. Explosion of brimstone deals 3d6 damage in 5 ft. radius.BoVD 5 Lesser Planar Binding. Traps outsider until it performs a task.PHB 6 Planar Binding. As lesser planar binding, but upto 16 HD.PHB 7 Hellfire Storm. Explosion of brimstone deals 5d6 damage in 20 ft. radius.BoVD 8 Demand. As sending, plus you can send suggestion.PHB 9 Gate. Connects two planes for travel or summoning.PHB