Sahuagin - Dungeons on Automatic Bestiary

Monstrous Humanoid · SM +0 Sahuagin [Monster Manual, page 217]

Attributes

ST12

DX11

IQ10

HT11

HP12

Will10

Per12

FP11

Basic Speed5.5

Basic Move5

Dodge9

DR1

Melee attacks

Usage	Level	Damage	Reach
Trident one-handedTrident one-handed (13): thrust 1d+2(0.5) impaling (KYOS: 2d-1(0.5) impaling), Reach 1*. Unbalanced Parry. Can strike to disarm (p. B401) without -2 to hit for using a non-fencing weapon. Target at -1 to Dodge, +1 to Block or Parry.	13	thrust 1d+2(0.5) impaling (KYOS: 2d-1(0.5) impaling)	1*
Trident two-handedTrident two-handed (13): thrust 2d-1(0.5) impaling (KYOS: 2d(0.5) impaling), Reach 1-2*. Can strike to disarm (p. B401) without -2 to hit for using a non-fencing weapon. Target at -1 to Dodge, +1 to Block or Parry.	13	thrust 2d-1(0.5) impaling (KYOS: 2d(0.5) impaling)	1-2*
Sharp TeethSharp Teeth (13): thrust 1d-1 cutting (KYOS: 1d cutting), Reach C.	13	thrust 1d-1 cutting (KYOS: 1d cutting)	C
Sharp ClawsSharp Claws (13): thrust 1d-1 cutting (KYOS: 1d cutting), Reach C.	13	thrust 1d-1 cutting (KYOS: 1d cutting)	C

Traits (17)

Amphibious
Appearance (Ugly)
Berserk (9)
Combat Reflexes
Doesn’t Breathe (Gills)
Doesn’t Breathe (Oxygen Storage, On the surface, 300x)
Enhanced Move 1 (Water)
Infravision
Nictitating Membrane 2
Night Vision 5 (-5 is the native illumination level)
Odious Racial Habit (Eats sapient beings)
Pressure Support 2
Social Stigma (Savage)
Sonar (Accessibility, In water; Biological (Passive); Restricted Arc, 60°; Targeting)
Speak Underwater
Speak with Animals (Specialized, Sharks)
Weakness (Fresh Water; 1d per 5 minutes; Fatigue Only)

Skills (5)

12Aquabatics
13Brawling
12Intimidation
13Spear
14Survival (Saltwater Sea)

Notes

GCS ancestry draft: gcs/sahuagin.gct
Source template total: 90 points.
Library-rebuilt template total: 90 points.
CER was computed from parsed Typical Stats using the Dungeons On Automatic baseline CER path.
Review attacks, special abilities, encounter frequency, treasure, grappling, and GCS modifiers before approval.

Encounter rating

CER22

Offense15

Protection7

Threat tierminor

Appearing6

Wandering4

GCS v5 downloads

Where this one came from

Source record: Sahuagin [Monster Manual, page 217]
Source system: gurps_4e_fan_conversion / author_permission
Released under: cc_by_4_0
Conversion: 0.2.0-reviewed
Review status: approved
Credit: Original GURPS conversion by Enraged Eggplant, from Monsters (May 11, 2024); adapted and republished with permission.

GCS ancestry draft: gcs/sahuagin.gct
Source template total: 90 points.
Library-rebuilt template total: 90 points.
CER was computed from parsed Typical Stats using the Dungeons On Automatic baseline CER path.
CER recomputed from the reviewed Typical Stats through the canonical Dungeons on Automatic CER path: OR 15, PR 7, CER 22, threat tier minor.
Encounter metadata derived (gregarious): average number appearing 6, wandering weight 4. Encounter metadata derived for 0.2.0 from the reviewed threat tier and creature class (appearing: minor 4 / standard 2 / major 1 / severe 1, forced to 1 for solitary classes — including swarms, which are a single multi-body creature — and raised to 6 for gregarious minor creatures; wandering weight: minor 4 / standard 3 / major 2 / severe 1). The fan-conversion source states no appearing-in-numbers or wandering values, so these are derived, not source mechanics.
Lair, treasure, and grappling remain unpopulated in 0.2.0 by package policy: the authorized fan-conversion source states no lair, treasure, or grappling values, and review declines to invent them. See review/policy/0.2.0-empty-field-policy.md.
Review approved by automated-mechanical-review on 2026-07-26 (batch ee-2026-07-26-b4-special-mechanics); GCS fidelity check passed, DOA playability check passed.
Special-mechanics record. Mechanics the CER path cannot price are named per record in review/reports/cer-audit.md rather than folded into the number, and encounter counts are capped where a save-or-disable attack is present.

Enraged Eggplant GURPS monster conversions; used, adapted, and republished with unrestricted permission from the author. Portrait and tokens are AI-generated original art. Sources and credits.