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Ktagh, Tectonic Cult Fault-Breaker - AI-generated fantasy Monster

Ktagh, Tectonic Cult Fault-Breaker

The Tectonic Cult calls its fault-breakers when argument and ritual have failed to move an obstacle. Ktagh's maul is a tool of intimidation as much as combat, and their choice of where to strike can reveal what the cult intends to open, collapse, or leave behind.

Monsters
Medium humanoid · CR 7 , 2,900 XP · Uncommon

Ktagh, Tectonic Cult Fault-Breaker

A Tectonic Cult shock trooper and siege commander who turns seismic force into a weapon against defensive lines.
AC16
HP133/133
CR7 , 2,900 XP
Init
STR
DEX
CON
INT
WIS
CHA
ConditionsNone

Combat

AC 16 · HP 133 · CR 7 , 2,900 XP

Ktagh, Tectonic Cult Fault-Breaker

Medium humanoid (earth cultist), neutral evil
Armor Class16 (shatter-plate)
Hit Points133 (14d10 + 56)
Speed
30 ft.,
Burrow 15 ft. through loose earth or scree only
STR
DEX
CON
INT
WIS
CHA
Saving ThrowsStrengthConstitutionWisdom
SkillsAthleticsIntimidationReligion
Immunities
Prone
Weaknesses
Ktagh has no special defense against flight or attacks from beyond the maul's reach.
The burrow speed cannot carry Ktagh through solid stone.
Senses
Tremorsense 30 ft.,
Passive Perception 12
Languages
Common,
Primordial (Terran)
Challenge7 , 2,900 XP
Proficiency Bonus+3
Initiative+1 (11)
Passive Perception12
Tremor-Step. Ktagh ignores difficult terrain caused by rubble, scree, loose stone, or magically altered earth.
Siege Monster. Ktagh deals double damage to objects and structures.

Actions

Multiattack. Ktagh makes two Fault-Breaker Maul attacks, or uses Seismic Wave once.
Fault-Breaker Maul. Melee Weapon Attack: to hit, reach 5 ft., one target. Hit: 19 ( bludgeoning damage plus thunder damage). If the target is a creature, it must succeed on a Strength saving throw or be pushed up to 10 feet away and knocked prone.
Seismic Wave. Recharge 5–6. Ktagh slams the maul into the ground, sending a shockwave through the earth in a 20-foot cone. Each creature on the ground in that area must make a Dexterity saving throw, taking 21 () bludgeoning damage on a failed save, or half as much damage on a successful one. A creature that fails is also knocked prone. The area becomes difficult terrain until cleared.

Reactions

Fault Realignment. When a creature within 10 feet of Ktagh stands up from being prone, Ktagh can make one Fault-Breaker Maul attack against that creature with disadvantage.
Role
Heavy front-line shock trooper and siege commander
Built for
Designed for a level 7 encounter; adjust the number of supporting enemies for party size and resources.

Gear

  • Shatter-Plate (Armor, Not normally sold)Layered stone and metal plates fixed over a reinforced harness. Their construction provides Ktagh's listed AC.
  • Fault-Breaker Maul (Weapon, Not normally sold)A heavy, stone-headed weapon reinforced with iron bands, used to batter creatures and structures.

Notes for the game master

Custom creature based on the supplied design. It is not presented as an official 5e monster.
The listed 19 damage for Fault-Breaker Maul is the combined average of 2d6 + 5 bludgeoning and 2d6 thunder damage.
Burrow movement applies only in loose earth or scree, not solid stone.
Seismic Wave affects creatures on the ground in its cone.

Tactics

  1. Opening

    Ktagh advances behind cover or cult allies, then opens with Seismic Wave when it can disrupt a line without trapping allies in the cone.

  2. Mid-fight

    Use the maul to displace melee opponents and exploit prone targets. Save Seismic Wave for when several enemies cluster on the ground or occupy a chokepoint.

  3. End of the fight

    When badly wounded, Ktagh uses the maul to break a path toward a defensible passage, then withdraws while allies cover the retreat. If escape is impossible, they keep foes away from a chosen breach point.

  4. Retreat

    Ktagh is disciplined, not fanatical. They retreat if their objective is lost and a route remains open, but stand firm if ordered to hold a breach or protect a cult withdrawal.

How it fights

Use terrain and allies to limit enemy movement before striking.
Push targets away from cover or toward hazards only when the scene has established those hazards clearly.
Keep allies out of the Seismic Wave cone when possible.
Use the burrow speed for short repositioning through loose scree, not as a means to pass through solid walls.

Who it attacks first

Creatures holding a chokepoint or protecting a structural objective.
Heavily armored front-line foes who can be displaced from their formation.
Downed or prone opponents within reach, when attacking them serves the immediate objective.

Works well with

Cult infantry can hold opponents in place while Ktagh lines up Seismic Wave.
A cult engineer or spotter can identify an exposed support, giving Ktagh a clear tactical objective.
Foes forced prone by Ktagh's attacks create openings for allied melee combatants.

How to beat it

Fight from elevated positions or across gaps where Ktagh cannot reach the ground beneath you.
Spread out to reduce the number of creatures caught in Seismic Wave.
Use ranged attacks and forced movement to keep Ktagh away from a chokepoint.
Flying creatures avoid its ground-focused shockwave and its tremorsense cannot detect them while airborne.

Ways to avoid a fight

Ktagh can assess visible stonework and identify likely weak points, though they may exaggerate the danger to pressure negotiators.
They may accept a delay, safe passage, or exchange of captives if it preserves the cult's objective.
Characters who demonstrate sound engineering or knowledge of the local ground may persuade Ktagh to reconsider a dangerous breach.

Ecology

Ktagh wears overlapping plates of dark stone that rasp against one another with each step. Dust spills from the seams, and a coppery tang rides the air around the battered maul. Their boots strike with a deep, measured thud that can be felt through the soles before it reaches the ear.

Behavior

Ktagh advances deliberately, testing the ground with the haft of the maul. They favor chokepoints and exposed supports, using a single brutal impact to break formation before pressing into the gap.

How it lives

Ktagh is a trained humanoid, not a creature born of stone. The Tectonic Cult equips and indoctrinates its fault-breakers, teaching them to read vibration, stress, and the weak points of constructed defenses.

Lair

Ktagh commands from a reinforced staging chamber near a tunnel mouth or structural bottleneck. Cult workers often brace the walls and mark load-bearing points, but the position is practical rather than a personal lair.

Habitat
Tectonic Cult strongholds, stone tunnels, quarry works, unstable routes, and contested infrastructure across Anemora.

Signs that it is near

Parallel maul gouges cut into stone supports or barricades.
Fresh scree is packed into deliberate ridges along a tunnel floor.
A faint iron-and-dust smell lingers near newly fractured masonry.

Tags

Tectonic Cult,
shock trooper,
siege,
seismic,
Anemora

Lore

The Tectonic Cult calls its fault-breakers when argument and ritual have failed to move an obstacle. Ktagh's maul is a tool of intimidation as much as combat, and their choice of where to strike can reveal what the cult intends to open, collapse, or leave behind.

What drives it

Advance the Tectonic Cult's plan by breaking resistance and controlling access to vulnerable stonework.

After the fight

After the fight, hairline cracks creep across the stone where the maul struck. Ktagh's shatter-plate may bear survey marks or orders linking the assault to a Tectonic Cult plan.

Variants

A tunnel sentinel trades some mobility for heavier armor and fights only at prepared choke points.
A field-breaker carries a lighter maul and uses the loose ground to reposition, but has fewer hit points.
A breach captain commands cult allies and prioritizes objectives over personal combat.

Hooks

Plot hooks

A fresh line of fractures follows the route of a Tectonic Cult team, leading toward a vulnerable tether or support.
Ktagh has orders to open a passage, but the written plan suggests the intended route will endanger nearby workers.
A retreating Ktagh leaves behind a marked map of measured stone and stress points, evidence of a larger operation.

How to use it

Use Ktagh as the central threat in a breach defense, tunnel assault, or fight over a failing support.
Place loose scree or rubble in the battlefield so Tremor-Step matters without making Ktagh unstoppable.
Give the party clear warning before a structural hazard collapses; Ktagh should create pressure, not an unavoidable instant defeat.

Treasure

The maul's iron bands are stamped with a Tectonic Cult workshop mark.
A waxed order pouch may contain a route sketch, target list, or instructions for a planned breach.
A few trade bars or ordinary coin may be carried as travel pay.

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