Inevitable, Mercury (3.5e Monster)

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Author: Eiji-kun (talk)
Date Created: 9-30-14
Status: Complete
Editing: Clarity edits only please
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Mercury Inevitable
Size/Type: Medium Construct (Extraplanar, Lawful)
Hit Dice: 12d10+92 (158 hp)
Initiative: +6
Speed: 50 ft, climb 40 ft, swim 40 ft
Armor Class: 26 (+6 dex, +10 natural), touch 16, flat-footed 20
Base Attack/Grapple: +9/+15
Attack: +3 Morphic Weapon +18 melee (varies, default 2d6+9, 19-20/x2)
Full Attack: +3 Morphic Weapon +18/+13 melee (varies, default 2d6+9, 19-20/x2)
Space/Reach: 5 ft/5 ft
Special Attacks: Death Attack, Mimicry, Sneak Attack 6d6
Special Qualities: Blindsense 60 ft, Construct Traits, DR 5/adamantine, Jack of all Trades, Morphic Body, Morphic Weapons, Reconstitution 15, Resist Electricity 20, SR 23
Saves: Fort +10, Ref +10, Will +10
Abilities: Str 22, Dex 22, Con -, Int 22, Wis 22, Cha 22
Skills: Bluff +15, Disguise +25*, Hide +15, Jump +15, Knowledge Local +15, Move Silently +15, Survival +15, Tumble +15
Feats: TrackB, Combat Reflexes, Deflect Arrows, Combat Expertise, Improved Trip, Power Attack
Environment: A lawful-aligned plane
Organization: Solitary
Challenge Rating: 12
Treasure: Standard
Alignment: Always Lawful Neutral or Lawful Evil
Advancement: 13-24 HD (Medium), 25-36 HD (Large)
Level Adjustment:

Where is John Conner?

Most inevitables are designed with a single law in mind, such as destroying those who defy death or those who break contracts. The mercury inevitable is not one of these. This general purpose inevitable is instead specifically an infiltration and assassination machine, often designed to chase down a single creature to exterminate them. They are sent against those their superiors have already judged guilty, and cannot be reasoned with or swayed. Completely without mercy and with the benefit of appearing as a human, even friends or family, they are dangerous foes.

Perhaps it was for their deceitful and murderous purpose that they were adopted by lawful beings of less ethical character. The inevitables of Mechanus now use these beings sparingly, but evil and cruel versions have said to have appeared from the lawful evil planes, generated by stolen and illicit creation forges stolen from the inevitables themselves. Worse, rumor has it these evil inevitable dopplegangers have infiltrated the rank and file of the inevitable legion.

Mercury inevitables can look like almost any humanoid, but in their natural form they are a blob of silver metal. Whenever in any humanoid state they are able to speak, though they cannot be reasoned with, and weigh about 200 lbs in any form.


Mercury inevitables enter a world and investigate a target, drawing in close and observing their weaknesses and strengths. They will take any methods to reach the target and assassinate them, up to and including slaughtering any others which get in their way as needed. In their eyes, the needs for justice to be done exceeds the loss of the death of innocents and family members. When the target least expects it, the inevitable strikes to kill.

Death Attack (Ex): A mercury inevitable has the death attack ability of an assassin, though the DC is 22 (10 + 1/2 HD + Int modifier).

Mimicry (Ex): A mercury inevitable may morph into creature it can see within one size category up or down as a standard action. This is not an illusory effect and is not breached by true seeing. It has a +10 bonus on Disguise checks while mimicking a creature, and can even mimic it's voice exactly. It retains its own ability scores, skills, and class features. It can retain this appearance indefinitely, though it needs to view a creature again (either in person or in a picture) to mimic them.

Jack of all Trades (Ex): A mercury inevitable can use all skills untrained.

Morphic Body (Ex): A mercury inevitable is partially an ooze, and counts as both as a construct and an ooze for all purposes and effects. As a standard action it can revert into ooze form, enabling it to move through cracks as small as 1/2 an inch wide, and gaining blindsight 60 ft and blindsense 120 ft in this state.

They gain their Charisma score to their hit points each hit dice, as their essence desires to hold itself together. This is in addition to the +20 hp for being a medium construct.

Morphic Weapons (Ex): As a free action a mercury inevitable can transform its limbs into any simple or martial weapon, which it is proficient with. Typically it transforms into a large version of a weapon, usually defaulting to a large longsword (2d6, 19-20). They are also always under the effects of greater magic weapon as an extraordinary effect, and their weapons bypass DR/silver. It can two-weapon fight with its morphic weapons by turning both arms into two weapons. They cannot create projectile weapons, nor throw their weapons. They can enhance their weapons by enhancing their body as normal.

Reconstitution (Ex): Even though they have no Con score, mercury inevitables have a form of regeneration. They take nonlethal damage (even though they are normally immune) instead of lethal damage. They take lethal damage from fire. If they take more than 50 points of cold damage in a single blow they must make a Fortitude save (DC 20) or become frozen, effectively paralyzed for 2d4 rounds, or until they take any fire damage to melt them.

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Eiji-kun's Homebrew (5343 Articles)
AlignmentAlways Lawful Neutral or Lawful Evil +
AuthorEiji-kun +
Challenge Rating12 +
EnvironmentA lawful-aligned plane +
Identifier3.5e Monster +
Level Adjustment+
RatingUndiscussed +
SizeMedium +
SubtypeExtraplanar + and Lawful +
TitleInevitable, Mercury +
TypeConstruct +