Snapfire + Venomancer

Why this works

Combining two big area-of-effect ultimates can feel awkward when they don't set each other up. Venomancer's Poison Nova deals a huge amount of damage over a large area, but it provides no slow or stun. This means that after it's cast, enemies are still free to move. For Snapfire, this is a problem. Landing multiple hits of Mortimer Kisses relies on enemies being held in place, and without that lockdown, they can often walk out of the impact zones after taking one or two hits. While Venomancer has other slows, they lack the immediate, fight-wide control needed to guarantee a perfect ultimate from his partner.

In practice, this means their teamfight contribution feels a bit disconnected. Laning together can be strong, with the combined harass from their slows and damage-over-time spells bullying an opponent out. But later on, the lack of a shared setup becomes clear. Venomancer wants to spread his poison and kite, while Snapfire wants to find a target to stun with her Firesnap Cookie or a moment to channel her ultimate safely. They end up applying damage in parallel rather than truly combining their strengths, which can leave openings for the enemy team to exploit and turn the fight.