Tralusk (CR 7)

Large Aberration (Earth)
Alignment: Usually neutral evil
Initiative: +0; Senses: darkvision 120 ft. and Listen +11

AC: 21 (-1 size, +12 natural), touch 9, flat-footed 21
Hit Dice: 9d8+36 (76 hp); DR: 5/-
Fort +7, Ref +3, Will +6
Speed: 30 ft., climb 30 ft.
Space: 10 ft./5 ft.
Base Attack +6; Grapple +6
Attack: Bite +10 melee, 6 claws +8 melee plus poison
Full Attack: Bite +10 melee, 6 claws +8 melee plus poison
Damage: Bite 2d6+7, Claw 1d6+2
Special Attacks/Actions: Poison, shattering shriek, control stone
Abilities: Str 20, Dex 10, Con 18, Int 16, Wis 10, Cha 18
Special Qualities: meld into stone
Feats: Multiattack; Power Attack; Run; Skill Focus (perform)
Skills: Climb +23, Listen +11, Perform (tralusk song) +18, and Survival +9
Advancement: 10-24 HD (Huge), 25-27 HD (Gargantuan)
Climate/Terrain: Any underground (Underdark)
Organization: Solitary
Treasure/Possessions: Standard

Source: Dragon #285

Poison (Su): A tralusk's claws drip a thick fluid that resembles mud. This fluid is in fact a potent poison. Any creature struck by a tralusk's claw must make a Fortitude saving throw (DC 18) or take 1 point of permanent Dexterity drain as their body slowly begins to stiffen. Anyone drained to 0 Dexterity in this manner becomes completely fossilized. A stone to flesh spell can restore the victim.

Shattering Shriek (Su): Once every 5 rounds, a tralusk can emit an ear-piercing shriek as an attack. This shriek creates a beam of sonic energy that the creature can direct at any single target within 60 feet; the tralusk must hit with a ranged touch attack, substituting a perform check for the attack roll. If successful, the victim suffers 12d6 points of subdual damage and must make a Fortitude saving throw (DC 18) or be stunned for 1d6 rounds.

Alternatively, the tralusk can attempt to shatter an object with this shriek. It automatically hits, but it must make a Perform check (DC equals the object's Break DC as listed on in Object HP table).

Control Stone (Su): Once a day, the tralusk can control stone by intoning a low rumbling song that almost sounds like an earthquake. This is a full-round action for the tralusk. The tralusk must make a Perform check; the magnitude of control depends on the result. The tralusk can choose to duplicate any spell effect on the table below depending on the result of its Perform check as if cast by a 9th-level sorcerer.

Spell EffectPerform check
Soften earth and stone20
Stone shape23
Spike stones26
Transmute rock to mud28
Transmute mud to rock28
Wall of stone30
Repel metal or stone33

Meld Into Stone (Sp): Three times a day a tralusk can meld into stone as the spell cast by a 9th-level sorcerer.

A tralusk invariably begins singing during combat. While this is unsettling to most listeners, it does not otherwise affect the fight. Tralusks are fond of grandiose moves in combat and almost always uses the Power Attack feat to make their attacks more impressive and painful.

Earth Subtype

This subtype usually is used for elementals and outsiders with a connection to the Elemental Plane of Earth. Earth creatures usually have burrow speeds, and most earth creatures can burrow through solid rock.