Thorne's arms in Udgaard

<98%hp 97%m 51%mv 6945tnl (3.54%)> list [Lv Price] Item (Type) [20 200] a studded steel mace (mace) [20 3500] an engraved steel staff (staff) [20 3000] an engraved steel warhammer (mace) [20 3000] an engraved steel spear (spear) [20 2750] an engraved steel longsword (sword) [20 2500] an engraved steel dagger (dagger) [30 2200] an engraved steel flail (flail) [20 3000] an engraved steel hand axe (axe) Thorne tells you 'See anything you like? A lucky thing you came along.' Is there a reason I can't fathom for the flail being level 30 and the rest being 20 or is it an oversight? Thanks.