Broodmother + Ogre Magi

Why this works

Giving Broodmother Bloodlust only buffs the hero unit, not the swarm of spiders she uses to control the map. This is the core of their limited synergy. Ogre Magi provides single-target lockdown and a single-target buff, which can be useful for helping Broodmother herself secure a kill on a lone hero. However, his kit does nothing to amplify the strength of her spiderlings, which are often the main source of her pressure and farm. Unlike supports who can buff the entire army or provide wide area-of-effect control to enable the swarm, Ogre’s contribution is narrow and doesn't scale with Broodmother's board presence.

The two heroes often end up playing on different parts of the map. Broodmother wants to live in her web network, creating pressure and forcing rotations. Ogre Magi is a roamer by nature and usually better off securing a different lane or protecting a more traditional carry. While a Bloodlusted Broodmother with a Fireblast setup can certainly be effective at bursting one target, their overall game plans don't align well. They don't naturally play together to build objectives, leading to a pairing that feels more like two separate heroes doing their own thing rather than a cohesive duo.