Come razze draconiche su appunto Races Of The Dragon ci sta lo Spellscale al quale se applichi il template Ombra\Umbral\Shadow Creature etc riesci ad arrivare a un concept di sangue draconico d'ombra (anche se imho è un po' un accrocco, conosco chi lo ha fatto )
Poi poi poi.... sul modulo avventura: city of the spider queen, ci sta il template del drago d'ombra, poi su dragon magazine di Giugno 2001 ci sta come classe di prestigio il Dragonkith e ancora meglio su quello di Giugno 2002 ci sta il Dragon Scribe (che sarebbe il taumaturgist arcano dei draghi)
Poi per pg ancora più inerenti alle ombre oltre alle classice classi come il beguiler o cdp come il telflammar shadow lord, maestro dell'assurdo, shadowcrafter, shadowcraft mage etc, ci sta molto molto valida, ahimè sempre da Dragon Magazine, la cdp dello Shadow Apostle, tra le altre cose tutto il quel numero (Dragon Mag #322) è incentrato sulle ombre, template di ombra et simili, la cosa bella di quell'albo è che tratta molto di Balefire, la città delle lanterne nel piano delle ombre (un concept veramente strepitoso)
Poi riguardo ai mezzi draghi d'ombra questa è la scheda di Nimor Imphraezl, uno dei pochi pg famosi e noti presenti nella saga dei Forgotten Realms che fa parte della cricca dei draghi d'ombra
Male Drow Half-Shadow Dragon Rogue 3/Fighter 4/Assassin 9; CR 19 (Medium dragon)
Spoiler:
HD 3d6+15 plus 4d10+20 plus 9d6+40; hp 139; Init +12; Spd 30 ft., fly 60 ft. (average); AC 33 (touch 21, flat-footed 25); Base Atk +12; Grp +21; Atk +26 melee (1d6+15/15-20 plus 1d6 or 1d10 cold, +4 keen icy burst rapier) or +21 melee (1d4+9, claw); Full Atk +24/+19/+14 melee (1d6+15/15-20 plus 1d6 or 1d10 cold, +4 keen icy burst rapier) and +22/+17 melee (1d4+7/17-20, +3 keen venomous dagger), or +21/+21 melee (1d4+9, claws) and +16 melee (id6+4, bite); SA breath weapon, death attack, sneak attack +7d6, spells, spell-like abilities; SQ drow traits, evasion, half-dragon traits, hide in plain sight, improved uncanny dodge, poison use; SR 27; AL CE; SV Fort +20, Ref +28, Will +15; Str 28, Dex 26, Con 21, Int 19, Wis 13, Cha 14.
Skills and Feats: Balance +16, Bluff +17, Climb +19, Diplomacy +21, Disable Device +10, Disguise +11 (+13 when acting), Hide +33, Intimidate +8, Jump +19, Listen +12, Move Silently +28, Open Lock +18, Ride +12, Search +21, Sense Motive +10, Spot +18, Swim +13, Tumble +16; Blind-fight, Combat Reflexes, Improved Critical (rapier), Improved Initiative, Improved Two-Weapon Fighting, Iron Will, Two-Weapon Fighting, Weapon Focus (rapier), Weapon Specialization (rapier).
Languages Known: Abyssal, Common, Draconic, Drow Sign Language, Elven, Undercommon.
Breath Weapon: Once per day, Nimor can breathe a 30-foot cone that bestows 1d2 negative levels. A successful DC 15 Reflex save reduces this by half. A DC 15 Fortitude save removes the negative levels after 24 hours.
Death Attack: If Nimor studies an opponent for 3 rounds and then makes a successful sneak attack with a melee weapon, he can kill or paralyze his foe unless the victim succeeds at a DC 23 Fortitude save; even if this save is successful, the victim still suffers sneak attack damage.
Drow Traits: +2 racial bonus on Will saves against spells and spell-like abilities, darkvision 120 ft., immune to sleep effects, +2 racial bonus to saves vs. enchantment spells or effects.
Half-Dragon Traits: Low-light vision 60 ft., immune to sleep, paralysis, and energy drain.
Hide in Plain Sight: Nimor can use the Hide skill even while being observed.
Improved Uncanny Dodge: Retains Dex bonus to AC when flat-footed or attacked by an invisible foe, can no longer be flanked except by a rogue of 16th level or higher.
Poison Use: Nimor is skilled in the use of poison and never risks accidentally poisoning himself when applying poison to a blade.
Save Bonus Against Poison: Nimor's assassin levels confer a +4 bonus on saves against poison.
Assassin Spells Known (4/4/4/3, base save DC 14 + spell level): 1st - disguise self, ghost sound, obscuring mist, true strike; 2nd - alter self,darkness, invisibility, pass without trace; 3rd - deep slumber, false life, misdirection, nondetection; 4th - freedom of movement, greater invisibility, poison.
Spell-like Abilities: 1/day - dancing lights, darkness, faerie fire. Caster level 16th. The save DCs are Charisma-based.
Possessions: +4 keen icy burst rapier, +3 keen venomous dagger, arms of the Jaezred Chaulssin, belt of giant strength +4, bracers of dexterity +6, amulet of health +6, +3 ring of protection, piwafwi of resistance +4, ring of shadows, boots of elvenkind, drow house insignia.
Se invece hai accesso al materiale non officiale tipo Sword & Sorcery, ci sta una CdP meravigliosa tutta sulle ombre ovvero da "Relics & Rituals" a pag 15 il Penumbral Lord, che ha una lista spell propria, ma rimane un pg molto flavour.
Enjoy....e facci sapere che fai alla fine