- In her first appearance in All-Star Comics issue #58, she saved the Justice Society form a volcano. How did she do this? She grabbed a stream of lava with her hands and plugged the volcano's chimmey with it.
- In a speech in "Power Girl", she points out that she has faced the worst and most dangerous beings of her universe, multiple world-ending catastrophes... and she's always survived:
Atlee, I fought Superboy Prime, Black Lanterns, mad New Gods and survived multiple Crises. I think I understand more about evil than you probably everó
- In Tales of the Sinestro Corps: Superman Prime, Superman, Supergirl and Power Girl face off against Superboy Prime... and Prime dumbly yells that Superman is afraid of fighting him because he needs help from girls◊. Naturally, Supergirl and Power Girl◊ decide punch him out of the planet◊ for his sexist -and brainless- putdown. Summarized here.