Red Sonja. Vol. 1. Queen of plagues

Red Sonja, the She-Devil with a Sword, intends to pay back a blood debt owed to the one man who has gained her respect ... even if it means leading a doomed army to their certain deaths! Who is Dark Annisia, and how has this fearsome warrior accomplished what no god nor demon has been able to do: force Sonja to her knees in surrender?