Monkey King + Wraith King

Why this works

Sharing a map can be awkward, as both Monkey King and Wraith King want to be the primary damage dealer and farm priority. This creates a natural tension that can slow down both heroes. Their teamfight plan, however, is straightforward and effective. When Wraith King uses Reincarnation, the massive slow gives Monkey King an ideal window to drop Wukong's Command. Enemies are stuck in a terrible position, forced to either run from the slowed area or fight inside the ring, and neither is a good option when both heroes are hitting them.

The success of this duo comes down to execution and timing. An opponent will try to exploit the greed by pressuring lanes and preventing either hero from getting the items they need. If they can't farm separately and safely, the game can end before their big combo comes online. The goal for Monkey King and Wraith King is to survive the early game, secure their core items, and then force fights around objectives. They create a "choose your poison" scenario where focusing one hero leaves the other free to clean up the fight.