D&D 5E: Gear Maidens of Pergerron

One more time for the Gear Maidens. Here's my rough D&D 5th edition interpretation of them, at least until the DMG arrives shortly and provides more precise monster design rules. And yes, this means I am currently running or conspiring to run some D&D 5E games in Pergerron.

Gear Maidens

Medium Humanoid Construct, chaotic neutral (usually)

Armor Class:      18 (natural; equivalent to plate)

Hit Points:          40 (6D8+12)

Speed:  30 feet 

STR 16 (+3), DEX 10 (0), CON 17 (+3), INT 13 (+1); WIS 9 (-1), CHA 11 (0)                 

Saves:                   Constitution +5

Immunities: poison, necrotic, mind-affecting spells and enchantments

Resistances: cold (plus reduces movement by 20 feet for one round), bludgeoning, slashing or piercing weapons that are not magical

Senses:                passive perception 13

Languages:         usually an ancient dialect (old Saric) plus common

Challenge:          CR 4 (1,100 XP)

Terrain:                                any ruins

Special: lightning damage heals

Construct: does not breath, eat or sleep.

Actions:

Multiattack: Gear maidens are equipped with two retractable blade arms. They may make up to four attacks (two with each blade). 

Retractable Blade Arms; melee weapon attack; +6  to hit, one target, 1D8+4 damage each.  Special: critical attack on a 19-20.

Gear maidens are an unusual construct sometimes found in the ancient ruins of Pergerron. Each gear maiden has the appearance of a suit of armor or a mannequin made to look like a woman comprised of complex clockwork moving parts. Most of the gear maidens appear to be one of three types: jackal-headed, elvish-looking, and on rare occasion smooth, featureless faces with a mirror of silver where eyes, nose and mouth would be located.

Gear maidens may have served some other purpose in the ancient past, constructs designed for amusement, or to serve as guards perhaps. Today they are relics which haunt the ancient ruins, acting erratically and without purpose. When a gear maiden (or group of such) is encountered roll to see what their pattern of behavior is (D10):

1-4 - the gear maidens function as if the ruin around them is still alive; they prop skeletal remains up on chairs, serving them empty platters of food while serving long-dried bottles of wine. They will grow antagonistic to anyone who tries to point out the absurdity of their actions or the deathly nature of those they "serve."

5-7 - the gear maidens are mad, and appear to have suffered some sort of mania, which they may call "malfunctioning" to those who can prompt them to speak coherently. These are deadly, usually attacking randomly before fleeing, only to circle back later and strike again.

8-9 - some may be found which are coherent, usually hunting for parts. These gear maidens salvage relics of lore and preserve them, as if enshrining the lost civilizations of old Sar and other empires of the past. They are not above cutting down maddened versions of their own to salvage parts to repair themselves.

10 - Occasionally a cunning and vengeful gear maiden will be found. These are the deadliest, for they remember the fall of the old empires, and the destruction of those they served. They will seek to hunt down and exterminate all humans and demi-humans they come across, and will do so with great cunning and relish.

Aside from the retractable blades (about as long as a short sword, but much sharper) gear maidens have the traits of other constructs, and are immune to any gaseous or poison attacks, as well as any attacks that affect life force (negative energy draining, for example). They are also immune to mind-affecting spells, for their magical artificial brains cannot comprehend or react to the magical influence of the mind. Lighting damage heals them. Cold damage deals 1/2 damage to them but they are slowed to a Speed of 10 feet for 1 round after being subject to the cold-damaging attack (until the end of their next turn).

An entrepreneurial fighter with some weapon smithing skills could extract the arm blades of a destroyed gear maiden to find that they will make enchanted short swords of amazing quality (+1 short swords which crit on a 19-20).