Disruptor + Doom

Why this works

Using Doom on a priority target and then trapping them with Static Storm sounds good, but it's often a case of overlapping control. Doom's ultimate already silences and mutes items, taking a hero out of the fight. Following that up with another silence and area denial from Disruptor is usually overkill. You're committing two of your biggest spells to neutralize a single enemy who was already mostly dealt with. While the added damage helps secure the kill, another hero could have provided that damage without wasting a powerful ultimate, or could have offered control for a second target instead.

Across the game, this means you're often forced to make an inefficient choice. Either you stack both ultimates on one hero, which can feel wasteful, or you try to have Doom and Disruptor hit separate targets. Splitting your focus like this can work, but it lacks the decisive punch of a true combo. A better pairing for Doom provides burst to kill the target during his ultimate's duration. A better partner for Disruptor offers AoE damage or stuns to capitalize on Kinetic Field. This duo functions, but they don't directly amplify each other's strengths.