Automaton Sentinel

large construct (none), unaligned

Challenge 5.0 (1,800 XP)

STR
18 (+4)
DEX
12 (+1)
CON
14 (+2)
INT
1 (-5)
WIS
1 (-5)
CHA
1 (-5)

Defense

Armor Class 18 (Shield)
Hit Points 75 (10d10 +2)
Speed 30 ft.

Proficiencies & Senses

Saving Throws constitution, wisdom
Skills
Senses
darkvision 60 ft.
passive Perception 7

Characteristics

Damage Vulnerabilities
Damage Resistances bludgeoning, piercing, slashing
Damage Immunities poison, psychic
Condition Immunities blinded, deafened, frightened, paralyzed, petrified, poisoned
Languages

Traits

Immutable Form

The Automaton Sentinel is immune to any spell or effect that would alter its form.

Magic Resistance

The Automaton Sentinel has advantage on saving throws against spells and other magical effects.

Actions

Bastard Sword Attack

Melee Weapon Attack: +8 to hit, reach 5 ft., one target. Hit: 18 (2d10 + 4) slashing damage.

Shield Bash

Melee Weapon Attack: +8 to hit, reach 5 ft., one target. Hit: 16 (2d8 + 4) bludgeoning damage, target must succeed on a DC 15 Strength saving throw or be knocked prone.

Combat Behavior

Tactics


• Focus on one target at a time using its sword and shield combinations.
• Use its size to block strategic pathways and entrances.

Combat Style

Aggressive and defensive, using both weaponry to inflict damage while maintaining effective defense.

Monster Description

The Automaton Sentinel stands as a testament to ancient craftsmanship, combining intricate metal work and advanced arcane engineering. These constructs were created long ago, perhaps as sentries to guard royal treasures or sacred sites. Resilient yet obedient, each Sentinel wields a bastard sword in one hand and a massive tower shield in the other, providing both offense and defense against intruders. Its metallic form glimmers in the dim light, revealing its robust frame often adorned with runes that flicker when it comes to life.

These robotic warriors have a fearsome reputation, said to be invulnerable to most types of physical attack. An Automaton Sentinel is not merely ancient scrap of metal — it possesses an aura of magic that reinforces its defensive capabilities, making it a formidable foe. They can often be found stationed in areas of great importance, either silently monitoring or ready to strike at any moment. Though lacking in intelligence, they are programmed to protect their designated sites at all costs.

Despite their lack of emotions or true sentience, an Automaton Sentinel is a one-trick pony; it follows its orders without question, defending treasures and places it has been set to guard in a relentless, mechanical manner. Often an intruder sees an Automaton Sentinel only once before they are met with a lightning-fast swing of its blade or a crushing bash from its shield.

Monster behavior

In combat, the Automaton Sentinel focuses on aggressive tactics to protect its domain. It will often stand its ground and use its shield to block incoming attacks while striking back with its sword. When faced with a group of enemies, it uses its size advantage to create a barrier, defending vital areas and utilizing its shield to push back foes. If a target gets too close, it will unleash a devastating bash that can knock opponents prone, allowing it to deal with threats quickly.

While the Automaton Sentinel is dependent on its programming to guide its actions, it uses calculated strategies during battle. In a fight, it seeks to eliminate potential threats to its charge first. Those attempting to flee will not find mercy; the Sentinel is relentless and relentless in its pursuit to maintain order, and engaging it directly will often be a grievous error. Due to its magical nature, Onlookers find their blades ineffective and soft attacks bounced away. The only chance to defeat such a powerful guardian lies in strength of numbers or clever diversionary tactics.

Ecology

Automaton Sentinels have no natural ecosystem, as they are constructs created by skilled artisans or wizardry. Their only purpose is to serve their creators, guarding valuable locations or items. However, the remnants of those who once crafted these guardians can sometimes be found alongside them, often in ruined kingdoms where they were once revered. As guardians, their existence often influences the behavior of such places, as few have the audacity to disturb an Automaton Sentinel without just cause.

History

The history of the Automaton Sentinels is shrouded in the mists of time and legend. There are many tales of their creation, often attributed to long-forgotten civilizations that combined magic with engineering prowess. Ancient archives speak of powerful sorcerers and high-ranking knights who crafted these sentinels to protect their cities and keep enemies at bay. Over time, these sentinels became symbols of strength and resilience. In circumstances where conflict arose, they would rise to defend their creators' interests till their last breath. As civilizations rose and fell over epochs, Automaton Sentinels remained, undeterred by the passage of time, awaiting orders that never came. Today, many of these constructs lie dormant in hidden vaults or crumbling castles, their mechanisms rusting yet holding a faint echo of the vivid battles they once fought. Efforts to reawaken them to serve once more have led to stories of both fortune and peril for adventurers brave enough to seek them out.

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