Pachycephalosaurus vs 4 Deinonychus

Mismatch in favor of the deionychuses, while the pachy could kill one or two of them, it is inevitably doomed to fall.

Recent information is shown that raptors mostly take on similar sized animals and are probably not the hadrosaur killing animals you see in documentaries. Pachycephalosaurus wins since its MUCH bigger than the deinonychus and that is an advantage since bigger animals have an easier time dealing with smaller animals. Raptors are not what they use to be.

Pachyepalosaurus