Singularity

Singularity is a crafted legendary Source for the in Diablo III. It requires character level 50 to be worn.

Its level 70 equivalent is the Cosmic Strand.

Crafting
Singularity can be crafted using the Plan: Singularity, 15000 gold, 15 Reusable Parts, 15 Arcane Dust and 16 Veiled Crystals.