The Japanese update page mentions something about a Seraph Feather (セラフ・フェザ) Link
Haven't seen anything like it yet though... --Seikas2 16:19, 17 December 2006 (PST)
- It's one of its drops; material needed for those Seraph Daggers. - Tycho 00:04, 18 December 2006 (PST)