North Korea's deployment of troops in Russia’s war against Ukraine signifies a dangerous new level of alliance among revisionist authoritarian states. Moscow seeks to bolster its struggling forces while giving Pyongyang valuable combat experience against Western military techniques. This move, however, goes beyond battlefield tactics, showcasing the deepening collaboration among Russia, China, Iran, and North Korea, which together pose an increasingly cohesive threat to the international order. With these regimes pooling resources, the implications extend far beyond Ukraine.