Three familiars: Yin’rou, Ka’Shai and Nyx, are available to the PC as permanent summons at 6th level, should they choose to temporarily weaken themselves to bind them.

LAWFUL NEUTRAL, LAWFUL EVIL: Yin’rou, Shade Wolf
Gender: Male
Alignment: Lawful Neutral
Base Class: Ranger
Hit Points: 65 (+64)
STR: 17 (+4) DEX: 18 (+4) CON: 17 (+4) INT: 15 WIS: 10 CHA: 12
Favored Enemy: Shadow
Starting Spells: Shadow Veil, Shadow Rope, Ghostly Visage, Night Terrors
Weapon: Spectral Fang – deals slashing damage, chance to deal cold damage and drain two levels on hit
Other abilities: Stealth, regenerates 1 hp/3 seconds (other familiars regenerate 1 hp/round)
Level-up Spells: Lifedrinker Touch, Shar’s Blessing, Shadow Assault, Protection from Weave-forged Weapons
Level 26: Greater Whirlwind Attack, Power Attack, Hardiness

TRUE NEUTRAL, NEUTRAL EVIL: Ka’Shai, Shadow
Gender: None
Alignment: True Neutral
Base Class: Bard
Hit Points: 30 (+32)
STR: 12 DEX: 16 CON: 10 INT: 16 (+4) WIS: 16 (+4) CHA: 19 (+4)
Starting Spells: Curse, Mesmerize, Power Word: Sleep, Black Mist
Weapon: Spectral Drain – deals magic damage, drains hit points to attacker.
                  Spectral Touch – deals blunt + magic damage, lowers strength on hit
Other abilities: Bardsong reduces enemies’ THAC0, damage, saving throws and morale, cannot Pick Pockets, can attack with either ranged or melee.
Level-up Spells: Beguile, Sigil of Misfortune, Void Blast, Black Lightning
Level 26: Nightmare, Shadow Gate, Blackfire Fury

CHAOTIC NEUTRAL, CHAOTIC EVIL: Nyx, Shadow Mephit
Gender: Female
Alignment: Chaotic Neutral
Base Class: Shadowdancer
Hit Points: 38 (+48)
STR: 10 DEX: 19 (+4) CON: 16 INT: 16 (+4) WIS: 12 CHA: 16 (+4)
Starting Spells: Blinding Darkness, Decoy, Dark Mirage, Dark Fortune
Weapon: Spectral Shiv – deals piercing damage, chance to poison on hit. Backstabs blind target on failed save.
Other abilities: Shadowstep, Hide in Plain Sight, can use thieving skills
Level-up Spells: Shadow Meteors, Black Ooze, Shar’s Memory Loss, Black Rose
Level 26: Shadow Twin, Shadow Maze, Shadow Form