Bug with Shapeshifter

<658/809hp 633/633m 601/860mv 21325tnl (-15.90%) civilized none 4 AM indoor fighting> You parry a senior shapeshifter's pierce. A senior shapeshifter's pierce does UNSPEAKABLE things to you! That really did HURT! A senior shapeshifter dodges your burst of energy. A senior shapeshifter dodges your rending gale. Your rending gale MASSACRES a senior shapeshifter! A senior shapeshifter is covered with bleeding wounds. <3686/809hp 633/633m 601/860mv 21325tnl (-15.90%) civilized none 4 AM indoor fighting> This buy happens when the shapeshifter, for some reason, WIELDS a certain scroll that's illusionary that was in its inventory.