Return of the Arcane Dragons IV

Again, yes, (Greyhawk) Steel Dragons are not technically Arcane. I kind of see them as a stepping point between your standard metallic and the arcane branch of the dragon family. I've seen another "pathfindered" steel, and I don't really think the other version that I saw really fit what I felt was the intent behind the original creature. Of course, I suspect that the version I saw was a conversion of the 4E version of the steel.  As usual, this is not meant to be a challenge of copyright, or any of that nonsense. I decided, like with the song dragon, to diverge a little from the pre-created dragons, and instead of doing a straight one-for-one conversion, I went to make a true "urban" dragon. Something that can serve as an impressive NPC in almost any type of game. This is just a fan created modification of a dragon offered to other fans as a possible addition to a game. 

Steel Dragon

A large metallic blue-gray dragon, watches you with appraising steel-gray eyes. 

NG dragon (arcane, metal, metallic)
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Base Statistics
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CR 3; Size Small; Hit Dice 4d12
Speed 30 ft.
Natural Armor +1; Breath Weapon Cone, 1d6 corrosive steam (half fire, half acid)
Str 9, Dex 14, Con 11, Int 15, Wis 14, Cha 17

Ecology
Environment Any
Organization solitary or family (2-4 dragons)
Treasure triple
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Special Abilities
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Dragonwrought Smithing (Ex): Due to a steel dragon's innate understanding of metals, a steel dragon has a +5 racial bonus to all Appraise and Craft checks when dealing with metals and metal objects.

Know the Streets (Su): While in an urban environment, a steel dragon can maneuver, both physically and socially, like few other creatures. The steel dragon gains a bonus equal to half the dragon's HD to Bluff, Diplomacy, Knowledge (Local), Perception, Sense Motive, and Stealth checks.

Moderate Arcane Shield (Su): A young adult shield dragon gains a +10 bonus to it's Spell Resistance against spells of 4th level or lower.

Poison Resistance (Ex): Very Young steel dragons gain a +10 resistance to poisons and toxins.

Speak with the City's Spirit (Su): Once per day, a wyrm steel dragon can speak with the collective essence of the city that they call home. This acts as a commune spell equal to the dragon's caster level.

Spell-Like Abilities (Sp): Steel dragons gain a number of spell-like abilities as they age. The abilities are usable at will upon reaching the listed age category. Wyrmling - heat metal; Young - charm person; Mature Adult - detect thoughts; Very Old - mass suggestion; Great Wyrm - mass charm.

Steel Immunities (Ex): Beginning at adult, a steel dragon gains resistances to both fire and acid. These resistances are equal to 10 + the dragon's Hit Dice + Constitution modifier.

Without a Trace (Su): Old steel dragons are so at home in their chosen homes that they can vanish in a crowd, or disappear into a shadowy alley, with almost know way of knowing where they went. This acts as the druid's woodland stride and trackless step class features. Also, at will the dragon can shadow jump as a 10th level Shadow Dancer. These are only usable in an "urban" environment.

Age Category	Special Abilities	Caster Level*
Wyrmling	Dragonwrought Smithing, Heat Metal	---
Very Young	Spell Resistance, Poison Resistance	1st
Young	Charm Person, Know the Streets	3rd
Juvenile	DR 5/magic, Frightful Presence	5th
Young Adult	Moderate Arcane Shield, Suggestion	7th
Adult	Steel Immunities	9th
Mature Adult	DR 10/magic, Detect Thoughts	11th
Old	Without a Trace	13th
Very Old	Mass Suggestion	15th
Ancient	DR 15/magic	17th
Wyrm	Speak with the City's Spirit	19th
Great Wyrm	DR 20/magic, Mass Charm	21st**

*Steel dragons add the spells from the Artifice and Community domain as bonus spells to their spells known.

**Grants no more spells know per day than a 20th level sorcerer, but improves spell effects depending on caster level.

When elves built their first mythrals, they were there. When the giants formed great monument cities, they were there. Steel dragons have been around for as long as sentient beings have decided to gather together for mutual benefit, possibly even directing such gatherings from the shadows. They are normally upstanding citizens in whatever city they decide to lair in, with most of the populace not even aware that a dragon lives among them. Master craftsman from birth, steel dragons love to build not just babbles, weapons, and implements, but communities and neighborhoods. A section of town where a steel dragon has taken residence normally sees an increase in prosperity and a decrease in crime, without any outward sign for the sudden upturn. Steel dragons are so much a part of the communities that they reside in that they are often referred to by the metropolis of the area as their dragon type.

It is often said that the steel dragons are the results of tome and some metallic dragons sharing space too close to an early urban area. Steel dragons seem to share traits from both arcane and metallic dragons. As such, the reactions from other dragons can be very mixed. Most arcane dragons consider them honored cousins, except for the hex dragons who think they tie themselves to much to sophistry, kowtowing   and other "lesser" trappings. Metallics often see them as odd relatives, with most just preferring to keep their distance, but remain polite enough. Chromatic dragons, and most other types of dragons, commonly see steel dragons as barely dragon at all, more akin to the weak lesser beings that they prefer to keep their time with than a true dragon.