Both she and Grams return to aid Piper in the series finale.

The detective, who was saved by his bulletproof vest, left the hospital and returned to the scene of the shooting to aid in the investigation.

"That they should go to study and return to aid us," Joaquin said.

If he died, he could not return to aid Chthon's campaign, so her mission would be complete in that sense.

Halfway through the fight, Brown inexplicably returns to aid her.

After that was done the king returned swiftly to aid the rest of his army.

At the conclusion of the story the Rhino is allowed to leave and told to "be good", eventually returning to aid the vigilante.

And if I did go, who would return with me to aid him?

Then he returned east with others to aid the Mormon immigrants coming west.

Each member helps the natives on that world and then returns to Earth with technology to aid the war effort.