he had summoned odd companions for this journey , she thought - bijaz , the tleilaxu dwarf ; the ghola , hayt , who might be duncan idaho 's revenant ; edric , the guild steersman-ambassador ; gaius helen mohiam , the bene gesserit reverend mother he so obviously hated ; lichna , otheym 's strange daughter , who seemed unable to move beyond the watchful eyes of guards ; stilgar , her uncle of the naibs , and his favorite wife , harah ... and irulan ... alia ...