Price (Item Level): 500 gp (3rd) (least); 2,000 gp (6th) (lesser); 6,000 gp (10th) (greater)
Body Slot: — (weapon crystal)
Caster Level: 5th
Aura: Faint; (DC 17) transmutation
Activation: —
Weight: —
The needlelike iron deposits in this spherical quartz crystal pulse with arcane energy.
A crystal of arcane steel is designed for those who can blend magical and martial arts into a single strike. It functions only when attached to a melee weapon.
Least: This crystal grants a +1 insight bonus on your weapon damage roll when delivering a spell or spell-like ability through a melee attack with the weapon.
Lesser: As the least crystal, and it also grants you a +1 insight bonus on the attack roll.
Greater: As the lesser crystal, and it also increases the save DC of the spell or spell-like ability by 1.
Prerequisites: Craft Magic Arms and Armor, magic weapon.
Cost to Create: 250 gp, 20 XP, 1 day (least); 1,000 gp, 80 XP, 2 days (lesser); 3,000 gp, 240 XP, 6 days (greater).
Source: Magic Item Compendium, page 64.