In "Last Transport":

"-If- he could have activated his Asgardian battle armor, he might have had a chance, and he -ached- for the opportunity... but the armor, forged in the fires of the Ragnarok, would not answer the summons in Midgard, a problem even Skuld herself had never been able to fix."

--
Geoff Depew - Darth Mephron
Haberdasher to Androids, Dark Lord of Sith Tech Support.
"And Remember! Google is your Friend!!"