It was forged by Myryn after he lost a similar scythe given to him by his father (the god of death)
 

Abilities:
+3 vorpal
10 Charges Total
open a gate to any dimension/plane (5' radius to 30' radius)
summon 1-10 fire elementals
cause an earthquake that makes a rift up to 1 mile long and up to 1000 feet deep (about 100 feet wide, usually)
can cut through any magical barrier, such as walls of fire or prismatic spheres
can create a vorpal razor sphere around the wielder (8d8 dmg)