Stone Mauler

Creature 9

Large
earth
elemental

Perception: +16; darkvision, tremorsense (imprecise) 80 feet
Languages: Petran
Skills: Athletics +21, Stealth +12; Str +6, Dex −1, Con +7, Int −1, Wis +3, Cha −1

Tremorsense (Imprecise) 80 feet

Earthbound When not touching solid ground, a stone mauler is Slowed 1 and can't use reactions.

AC: 27; Fort +23, Ref +15, Will +19
HP: 180; Immunities bleed, paralyzed, poison, sleep

Crumble ⟲ Trigger The stone mauler takes damage from a hostile source while atop rock or earth

Effect The stone mauler crumbles into the ground, Burrowing down 15 feet. This Burrowing does not trigger reactions.

The stone mauler can't Crumble again for 1d4 rounds.

Spike Stones (aura, earth, primal) 5 feet.

Spikes of rock rise up from all stone surfaces in the emanation, creating difficult terrain. A creature moving in the terrain takes 2d6 piercing damage for each square of spikes it moves into (a Large or larger creature takes damage only once for each square it moves, even if its space covers multiple squares of spikes). Creatures with the earth trait ignore all effects within the area.

The stone mauler can disable or activate this aura using a single action, which has the concentrate trait.

Speed: 35 feet, burrow 35 feet, earth glide

Melee ◆ fist +21 (reach 10 feet, unarmed), Damage 2d10+10 bludgeoning plus Push 10 feet

Ranged ◆ rock +21 (brutal), Damage 2d12+6 bludgeoning

Earth Glide The stone mauler can Burrow through any earthen matter, including rock. When it does so, the stone mauler moves at its full burrow Speed, leaving no tunnels or signs of its passing.

Push 10 feet ◆

Source: Pathfinder Monster Core

Running this fight? Add the stone mauler to the initiative tracker: type its name and the AC, hit points and Perception for initiative fill in, and the book button shows this stat block mid-fight.