Taking care, Severus directed his wand to create a fiery golem out of fiendfyre to smash at the undead people who were starting to move faster as they smelled living flesh nearby. Once he was certain Erik was distracted by the fire, Severus sent a Patronus off to Harry in the opposite direction. "We need to retreat from here, where's the nearest safe-house?" Severus panted at the depletion of his magic. "I need to speak with Dominika. Now."