@Monev-Justgeneral14: Well, holocaust can simply absorb Nimrod's life force. Does Nimrod have life force? Most likely not because Nimrod is a Sentinel. holocaust was able to absorb most, if not all, of X-Man's attacks in the AoA. holocaust could simply continue to blast Nimrod so that Nimrod will not reconstruct himself. Also, holocaust can not be destroyed completely because he is a gaseous form encased within his armor. %Pr
Nimrod for the win. His powers would enable him to effectively find a means to defeat Holocaust.
Holocaust's plasma blasts can reach 1 million degrees Fahrenheit. That is very hot. Nimrod's robotic inbuilt systems would likely be melted and destroyed. Nimrod would be wise to use force-fields to protect himself from Holocaust's attacks. Furthermore, Holocaust was able to easily absorb a nuclear level plasma blast from Sunfire in AOA. I don't think that Nimrod can reach that level of power.