 She does this and tricks Lief and his friends, but with the help of Doom, they manage to escape.Deltora's rat population also seemed to be a problem for Lief and his companions.In the past the Shadow Lord's minions, the Ra-Kacharz, bred these creatures in Hira in order to cause Hira's people to evacuate the city and to feed the snake monster Reeah, the guardian of the opal.