Builder’s Gate

Updated 2026-09-27

한국어

Monster Codex

Rank unconfirmedSteel Watcher · Act 3

Hellfire Watcher

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Hit points · HP
206
Armour class · AC
16
Level
11
Difficulty
Strength
18+4
Dexterity
22+6
Constitution
18+4
Intelligence
6-2
Wisdom
10+0
Charisma
10+0

Attacks and skills 8

Jump
Jump up, down, and across. Your Strength affects how far you can jump.
9m
Bonus ActionMovement Speed 9
Seeker Matrix
Become able to see Invisible creatures, and possibly reveal them to others.
Bonus Action
Self-Detonation Protocol
As a last resort, initiate a countdown sequence that ends with Self-Detonation.
Once per combat
Main Hand Attack
Make a melee attack with your equipped weapon.
Action
Reprimand
A pacifying strike that knocks the target Prone.
1.5m
Action
Possible damage typesBludgeoning
Reposition Malefactor
Pull a miscreant towards you for more thorough correction.
14m Dexterity saving throw
Action
Possible damage typesBludgeoning
Once per Short Rest
Unarmed Strike
Hit a target with your bare fists.
1.5m
Action
Possible damage typesBludgeoning
Hellfire Exhaust
Vent a gout of hellfire from your engine. Any already Burning creatures caught in the blast take an extra 3d8 Fire damage.
Dexterity saving throw
Action
Possible damage typesFire

Traits 7

Opportunity Attack

Automatically attack an enemy moving out of your reach.

Darkvision

You can see in the dark up to 12m.

Immutable Form

Spells that alter someone's form have no effect on the affected entity, and it has a +5 bonus to Saving Throws against spells that would remove it from this plane.

Agile Chassis

The lightweight build of this Steel Watcher grants it Advantage on Dexterity Saving Throws and an additional 9m movement speed.

Magic Resistance

Has Advantage on Saving Throws against spells and other magical effects.

Failsafe Protocol

After losing a significant amount of hit points, this creature will begin a Self-Detonation Protocol to eliminate all nearby threats. If it dies, it instantly Detonates.

Darkness Rules

No game description available.

1 internal effects have no display name.

Initial conditions and difficulty effects 0

4 internal effects have no display name.

Statistics and references

Parentheses show changes from Balanced. HP applies initial and difficulty effects to the game base value; combat scripts and conditional effects can change it.

2 conditional effects are not included in the base values.