Thalion's Pattern-sword Brillig is also the Vorpal Sword, a weapon with special capabilities against guisels. It has slain the Queen Guisel twice now, once in Rohrsach's hands and once in Thalion's. It is "a strange sword hung, shimmering and shifting in shadow ................. as if it were made of moth wings and folded moon light. ...... I unfastened the bright thing at my belt and began to unfold it. It made a series of clicking noises as I did so.........One-two, one-two! Snicker-snack!......... I swung it through a high arc, which I noted seemed to cleanse it entirely, and then began folding it back to its original compact form. It was as soft as flower petals, and it still gave off a faint dusty glow.......