Sekhmet's Vigor is a wonder weapon in available on the map Origins. The weapons serves as an "attachment" for the four Elemental Staffs once they have been upgraded, taking the slot that a Grenade Launcher would normally take on an Assault Rifle. Sekhmet's Vigor is located on the bottom of the staff, causing the player to flip their staff over once selected.
The weapon is a one shot kill until high rounds, and it is possible to get multiple kills from a single shot if the zombies are tightly packed. It also has the benefit of being affected by Double Tap 2.0. In addition, the weapon is able to revive downed teammates if one shoots said teammate.