Magnus vs Slardar

How this matchup plays

Thinking about this as a clash of big teamfight ultimates is a common mistake. The real problem for Magnus is Slardar's ability to initiate on him first. Corrosive Haze makes anyone fragile, and a core Magnus isn't naturally tough enough to survive being focused down by physical damage. He can easily die before he even gets a chance to use Reverse Polarity. Slardar's Slithereen Crush is also a quick, reliable stun that can interrupt Magnus immediately after he blinks in, buying enough time for his team to scatter or turn on him. It puts the burden on Magnus to find a perfect, uncontested setup.

This dynamic forces Magnus to play from the shadows all game. He needs to find an angle where Slardar is already committed or can't react in time. A good Reverse Polarity that catches Slardar will almost always win the fight, as he'll be locked down and unable to apply Haze or escape. But the Slardar is actively doing the same thing: hunting for a pickoff on Magnus or whoever he's empowering. Slardar's game plan is simpler to execute, creating constant pressure that Magnus has to navigate perfectly to win the teamfight.