Spec Gamma Biograft Energy Sword is a Roblox Classic Limited gear by Roblox. Its original stock of 424 copies has sold out. Resale listings start at 153,000 R$, about 8% above its RAP of 141,577 R$. RBX Invest has tracked no sales of it in the past 30 days. It was created on Roblox on Jan 29, 2010.

In the aftermath of World War VII, isolated pockets of human survivors raided ruined government labs, looking specifically for these weapons. The Spec X program had been accelerated in the late 2120s as the prospect of an all out metahuman vs. machine war became increasingly likely. Prized for their ability to slice through viridian steel exoskeletons, the US was determined to find a substitute for the pure diamond required for the manufacture of the Beta models. Sapphire, while still exorbitantly expensive, allowed the army to produce blades that were 95% as effective as the Betas, at only 20% the cost.