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GRAFT FLESH
You can create fiendish grafts and apply them to other living creatures or to yourself. Creating a graft takes one day for each 1,000 gp in its price. To create a graft, you must use up raw materials costing half of this price

PLANAR BINDING
You can add the following spells to your class list and your list of known spells (or your spellbook) and the indicated levels.
5th - lesser planar binding
6th - planar binding
8th - greater planar blinding

SHADOW MAGIC
You can add the following spells to your class list and your list of known spells (or your spellbook) and the indicated levels.
4th - shadow conjuration
5th - shadow evocation
7th - greater shadow conjuration

FIENDISH PACT
Fiends in Khyber do not attack you unprovoked and have a starting attitude of unfriendly.

SHADOW SUMMONING
You can apply the shadow creature template to your summoned monsters, instead of the celestial or fiendish templates.

DECEITFUL BARGAINING
Upon calling an evil outsider using a planar binding spell, you can make a Bluff check opposed by the creature's Sense Motive skill check. If you succeed on this check, the called creature becomes more amenable to our case, taking a -5 penalty on the opposed Charisma check made to refuse serving you. If you fail, the creature immediately makes a new Will saving throw against your spell. On a failure, the spell functions as normal. If it succeeds on this save, the creature breaks free of your control and can either flee or attack you.

Shadow creatures

Creating a Shadow Creature

“Shadow” is a template that can be added to any corporeal creature (referred to hereafter as the “base creature”). The creature’s type changes to “magical beast.” It otherwise uses all the base creature’s  statistics and special abilities except as noted below.

Speed: As base creature × 1 1/2.
Special Qualities: A shadow creature retains all the special qualities of the base creature and also  gains the following ones:
• Cold resistance of 5 + 1 per HD, to a maximum of 20.
• Darkvision with a range of 60 feet.
• Low-light vision.
• Shadow Blend (Su): In any conditions other than full daylight, a shadow creature can disappear into the shadows, giving it concealment. Artificial illumination, even light or continual flame spells, does not negate this ability. A daylight spell, however, will.

Shadow creatures also have one additional supernatural ability for every 4 HD they possess (minimum of one) chosen from the following list (caster level is equal to HD, DC is 10 + spell level + Charisma bonus):
• +2 luck bonus on all saving throws.
• Cause fear once per day.
• Damage reduction 5/magic
• Evasion.
• Mirror image once per day.
• Fast healing 2

If the base creature already has one or more of these special qualities, use the better value.

Skills: Same as the base creature, plus Stealth +5.
Feats: Same as the base creature.
Climate/Terrain: Same as the base creature.
Organization: Same as the base creature.
Challenge Rating: Same as the base creature +1.
Treasure: Same as the base creature.
Alignment: Same as the base creature, although rarely good.
Advancement: Same as the base creature.