Jakiro + Magnus

Why this works

Setting up the perfect teamfight often falls apart when these two try to combine their ultimates. Magnus excels at clumping the entire enemy team into a single spot with Reverse Polarity. The natural follow-up for Jakiro would be to drop his spells on the stunned targets, but both his Macropyre and Ice Path are linear abilities. Placing a line of fire or ice over a tight circular clump is extremely awkward and inefficient, meaning a huge amount of Jakiro's potential damage and control is wasted during that critical stun duration.

This fundamental clash in spell geometry means their big teamfight combo never feels smooth. Magnus creates the opening, but Jakiro can't capitalize on it effectively. Instead, he has to predict where enemies will run after the Reverse Polarity stun wears off, which makes the follow-up unreliable. Because their most impactful spells are on long cooldowns, fumbling this interaction significantly lowers their combined potential. They don't offer much for each other in the laning stage either, making this a pairing that struggles to find its timing all game.