Underlord + Ember Spirit

Why this works

Pairing these heroes often comes down to a bet on teamfight control over map-wide tempo. The combination is straightforward: Underlord's Pit of Malice provides a perfect multi-hero root, setting up an easy Searing Chains or a devastating Sleight of Fist for Ember Spirit. Firestorm can add a significant layer of damage on top of Ember's initial burst. The issue is that their game plans don't always align. Underlord is often a slower, lane-dominant hero who groups early, while Ember Spirit thrives on high-speed map movements and finding solo pickoffs, meaning they can't always execute their combo.

This dynamic leads to a game where their synergy is opportunistic rather than fundamental. When grouped for a five-on-five fight, Underlord's control is certainly valuable for an Ember Spirit. Outside of those big clashes, however, they tend to operate independently. Ember doesn't really need Fiend's Gate to get around the map, as his own Fire Remnants give him all the mobility he needs to split push and join fights on his own terms. They function well on the same team, but they rarely enable a unique strategy that wouldn't otherwise be possible.