Crota is immune to anything but his own weaponry so unless they get ahold of his sword, Atheon is a time conflux so that would be pretty complicated Skolas? Dead Oryx? To be discussed.. warlocks? Hmm the thousands or maybe even millions of vortex, shatter, and lance nova bombs, along with bolts of lighting Hunters? Thousands of celestial nighthawk golden gun shots, along with void arrows Titans? tons of bubbles for defense, thousands of flaming hammers being thrown, thousands of shockwaves sent through the ground I'd say this would be close