Cassiopeia vs Yasuo Counter Pick

Wind Wall is the single tool that defines this matchup: a four-second wall that blocks every projectile Cassiopeia owns, including Noxious Blast and Twin Fang, timed to erase whatever combo she commits to. Across 170 games on patch 16.13.1, Cassiopeia wins only 43.5% of these encounters, and the ability gap explains most of it. Steel Tempest builds Gathering Storm stacks toward a knockup, and once Way of the Wanderer’s shield is up from Yasuo’s own movement, the 175-range swordsman can walk through Miasma’s grounding cloud far more comfortably than the poison numbers suggest on paper.

Both champions carry a difficulty rating of 10, so this is not decided by mechanics alone. At level 18, Yasuo’s 2,460 health and 110.2 armor outscale Cassiopeia’s 2,296 and 97.9, giving him room to eat poison ticks while waiting for Wind Wall’s cooldown to reset. Sweeping Blade lets him reposition through minions to reach Cassiopeia even when Serpentine Grace has her kiting at full speed, and Last Breath punishes any Petrifying Gaze stun that lands on an ally instead of Yasuo himself. Baiting Wind Wall early with a throwaway Miasma, rather than saving every cooldown for one combo, is the clearest lever Cassiopeia has against a kit built to shrug off her damage type. Cassiopeia relies on Mana while Yasuo’s Flow resource, built purely from movement, cannot be drained the same way, a difference that matters little once Wind Wall is already up and running.