Hargrimm calls out any pertinent information he can remember about whatever this thing is and flings another blast of light at the scythe.
Spoiler: CombatStandard action: Ranged touch attack against the scythe with Banelight Vortices.
Free action: Attempt to identify the scythe.
Vortex: (1d20+3)[21], damage dependant on creature type.