Exterminate

After Reaper's Mark explodes, your next 2 Marrowrends cost 1 Runes and summon 2 scythes to strike your enemies.

The first scythe strikes your target for Shadowfrost damage and has a 100% chance to grant Killing Machine, the second scythe strikes all enemies around your target for Shadowfrost damage$?(a441894&a137008)[ and applies Blood Plague]?(a441894&)[ and applies Frost Fever][]. Deals reduced damage beyond 8 targets.