Mars + Queen of Pain

Why this works

Controlling the map with these two cores proves difficult because their teamfight ultimates actively work against each other. Mars wants to trap enemies inside Arena of Blood for his team to attack. Queen of Pain’s primary damage spell, Sonic Wave, is a large projectile that gets blocked by the Arena wall if she casts it from the outside. This forces her to either Blink into a dangerous position inside the ring or risk her ultimate doing nothing. While Scream of Pain works fine, it's the failure of their signature abilities to combine that creates the core issue.

This clunky interaction means their mid-game power spikes don't align well. Mars will trap key targets, but the follow-up from Queen of Pain is unreliable and often puts her in immense danger. An enemy team can often ignore Mars temporarily, focus the squishy QoP who blinked in, and then deal with him after his Arena expires. This pattern of failed teamfights bleeds into a loss of map presence, making it hard to secure objectives or farm safely, as the pair struggles to convert individual strengths into a cohesive victory.