Combat-focused addon for Krastorio 2 Spaced Out, adding new ways to fight back against tougher enemy modpacks such as Rampant Fixed, Fulgoran Enemies, and similar combat expansions.
K2SO Arsenal is designed to run on its own. You can still use both mods together if you want and they shouldn't cause any technical conflicts, but there will be some overlapping content, and the balance was not designed around having both enabled.