Stasis Beacon

Renet's beacon is a gemlike automatic teleporter, which was used by Renet's future self in Bebop & Rocksteady Destroy Everything. It was first used when the future Renet went back to the Cretaceous period to thwart Savanti Romero, but was mortally wounded by him after losing her scepter. She activated its stasis function, which preserved her body in a mummy-like state until 2016.

The beacon was activated again when Michelangelo touched it, immediately summoning the younger Renet to where and when the Turtles were. After dealing with the mayhem caused by Rocksteady and Bebop, Renet successfully used the future Time Scepter to remove the beacon, healing her future self.