Steelwraith

Regular; Resisted by HT
Renders the subject intangible to the touch of metal. Swords pass
through him, he cannot hold metal keys or wear metal armor, he passes
through bars and metal floors . . .

Duration: 1 minute.
Cost: 7 to cast. 4 to maintain.
Time to cast: 2 seconds.
Prerequisites: Magery 2 and Walk Through Earth.

Item
(a) Wand, staff, or jewelry. Usable only by mages.
Energy cost to create: 1,200.

(b) A metallic weapon may be enchanted to counter the spell (so that
it may be wielded by or against a Steelwraithed being).
Energy cost to create: 250 per pound of weight (minimum 1 pound).