Sue's creative use of her "unexciting" powers has built her not just the strongest member of the 4, but amid Marvel heroes in basic - she after one-handedly took on and defeated Thundra, the Absorbing Man, and the brainwashed Hulk and Thing - in that scenario, Sue's daughter Valeria was in risk - and to date, Sue is the only mortal, mutant or or else, who has ever outright killed a Celestial, the Physical Gods of the Marvel Universe.