To put it mildly, a powerhouse at the peak of the Ninth Tribulation of Dust Immortality can effortlessly fight two or even more peers at the same cultivation level without falling into a disadvantage.
Those of formidable strength can even slay other practitioners in the Ninth Tribulation of Dust Immortality.
Of course, cultivation realm is only part of the equation; true strength is what matters most.
Chapter 825