uncommon le medium fey 

Perception +16; darkvision

Languages Aklo, Common, Elven, Sylvan

Skills Acrobatics +18, Arcana +16, Deception +18, Intimidation +18, Occultism +16, Stealth +18, Thievery +14

Str +1 Dex +6 Con +2 Int +4 Wis +2 Cha +3

Items crossbow with 20 bolts, +1 striking elven curve blade, graveroot (2), leather armor

AC  27; Fort +11, Ref +19, Will +16

HP 135; Weaknesses cold iron 10

Speed 25 feet

Melee [>] elven curve blade +21 (finesse, forceful), Damage 2d8+5 slashing

Ranged [>] crossbow +20 (range increment 120 feet, reload 1), Damage 1d8+4 piercing

Arcane Innate Spells DC 26, attack +18; 3rd shocking grasp; 2nd invisibility (×2); 1st ray of enfeeblement, true strike; Cantrips (4th) acid splash, chill touch, electric arc, produce flame

Shadow Step [>>] The svartalfar killer fades into shadow, Strides up to twice its Speed, and reforms. This movement doesn't trigger reactions, but the svartalfar killer must begin and end in an area of dim light or darkness.

Sneak Attack A svartalfar killer deals an extra 2d6 precision damage to flat-footed creatures.

Spell-Imbued Blade [>>] The svartalfar killer chooses acid splash, produce flame, ray of enfeeblement, or shocking grasp and makes a melee Strike. If the svartalfar killer hits, they cast the chosen spell through the weapon at the same target. The spell's attack roll is the same result as the Strike.

AoE3, page 85.