Demilich* (CR 29)

Diminutive Undead
Alignment: Neutral evil
Initiative: +7 (+3 Dex, +4 Improved Initiative); Senses: Darkvision 60 ft., Listen +27, and Spot +27
Languages: Any language known as a lich or when alive.

AC: 51 (+4 size, +3 Dex, +5 natural armor, +8 bracers of armor, +2 ring of protection, +21 insight), touch 14, flat-footed 48
Hit Dice: 21d12 (130 hp); DR: 15/Epic and bludgeoning
Fort +10, Ref +12, Will +17
Speed: Fly 180 ft. (perfect)
Space: 1 ft. by 1 ft./0 ft.
Base Attack +10; Grapple -2
Attack: Touch +35 melee
Full Attack: Touch +35 melee
Damage: Touch 10d6+20 plus paralyzing touch
Special Attacks/Actions: Trap the soul, fear aura, paralyzing touch, 21st-level wizard spellcaster, Perfect Automatic Still Spell, spell-like abilities
Abilities: Str 10, Dex 16(withgloves, Con -, Int 39(with headband, Wis 24, Cha 20
Special Qualities: Magic immunity, phylactery transference, turn resistance +20, undead traits, acid resistance 20, fire resistance 20, sonic resistance 20, immune to cold, electricity, polymorph, and mind-affecting attacks.
Feats: Brew Potion, Combat Casting, Craft Wondrous Item, Enlarge Spell, Heighten Spell, Improved Initiative, Lightning Reflexes, Maximize Spell, Quicken Spell, Scribe Scroll, Spell Penetration, Toughness; Automatic Quicken Spell, Epic Spellcasting, Improved Spell Capacity(10th), Tenacious Magic
Skills: Concentration +25, Craft (alchemy) +34, Hide +35, Knowledge (arcana, Knowledge (history) +26, Listen +27, Move Silently +23, Search +34, Sense Motive +27, Spellcraft +36, Spot +27, religion, and the planes) +34
Advancement: By character class
Climate/Terrain: Any
Organization: Solitary
Treasure/Possessions: Standard

Source: Epic Level Handbook