Spectre

Spectres were malevolent creatures that were followers of the White Witch during the Age of Winter. They were mentioned at the Stone Table where Aslan sacrifices himself to the White Witch and they were also part of her army in the First Battle of Beruna, where they fight against Aslan's army. spectre are ghost the since jadis has wraiths ghouls and spectres on her side she could have the abilitie of necromany