The cultists under Kel'Thuzad were eager to die...

The cultists under Kel'Thuzad were eager to die and be raised again in their dark lord's service. They exulted in the prospect of immortality through undeath. As the plague spread, more and more feral zombies arose in the northlands. Kel'Thuzad looked upon the Lich King's growing army and named it the Scourge, for soon it would march upon the gates of Lordaeron and scour humanity from the face of the world.