Numerian Guthallah
CREATURE 19A guthallath is an enormous construct created long ago by some unknown empire, probably as a war machine. Nearly 100 feet tall, this massive stone statue typically resembles a stalwart warrior wearing only a loincloth and skullcap. Few have seen the entire body of a guthallath, though; most of the time such a relic is buried up to its neck, covered in moss and stranded in some forgotten place. Yet, every so often, one of these harbingers of destruction reactivates in response to some unknown stimulus or rallying call, and when this happens, woe be unto any who stand in its way.
While the guthallath's ancient enemies are gone, it is an engine of pure destruction, designed to rampage for weeks or even months. While not intelligent enough to enjoy or regret its acts, the guthallath cannot be reasoned with-it is unaffected by most magic, and is unpredictable in how it selects its targets (and creatures it spares).
A constant spell affects the monster without the monster needing to cast it, and its duration is unlimited. If a constant spell gets counteracted, the monster can reactivate it by spending the normal spellcasting actions the spell requires.
120 feet. The guthallath erodes away the physical integrity of all around it. Creatures and objects in the emanation other than the guthallath have their hardness and resistances reduced by 10. At the start of its turn, a creature in the erosion aura's area takes 6d6 bludgeoning damage (DC 39 basic Fortitude).
The guthallath is immune to spells of lower than 7th level and the activated effects of magic items of lower than 14th level.
Any encounters with adamantine golems, guthallaths, or radiant wardens in Numeria are with ancient robotic versions of these creatures. In encounters with them, describe them as having more technological aspects. The guthallath's erosion aura could be caused by clouds of deconstructor nanites and its annihilation beams manifest as plasma blasts. The adamantine golem might have tank treads instead of legs and its vent ability might manifest as a spray of dozens of laser beams in a cone. And the radiant warden's radiant beams and blast serve as rippling attacks of focused graviton beams.
All of these constructs have weakness 15 to critical hits and electricity, but their other statistics do not change. If you'd rather not introduce Numeria's themes of super-science and strange technology, you can either present these constructs as standard versions, or re-roll your encounter to get a more appropriate result for your game.
The Guthallath can choose either Improved Grab or Improved Push 20 feet when it hits with a fist attack.
A guthallath releases two beams of destruction from its eyes. Each beam is a 120-foot line. Everything in either line takes the effect of a hit from a 10th-rank Disintegrate spell (DC 41 basic Fortitude). There is no additional effect on creatures in any area where the beams overlap.
The guthallath can't use this ability again for 1d4 rounds.
If a guthallath hits with an attack and rolls a natural 19 on the d20 roll, the attack is a critical hit. This has no effect if the 19 would be a failure.
Huge or smaller, foot, DC 45 basic Reflex
The monster Strides up to double its Speed and can move through the spaces of creatures of the listed size, Trampling each creature whose space it enters. The monster can attempt to Trample the same creature only once in a single use of Trample. The monster deals the damage of the listed Strike, but trampled creatures can attempt a basic Reflex save at the listed DC (no damage on a critical success, half damage on a success, double damage on a critical failure).
The monster can instead use Improved Grab as an action and choose one creature it's grabbing or restraining with an appendage that has Improved Grab to automatically extend that condition to the end of the monster's next turn.