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A data-driven breakdown of Swain Support for patch 16.17: the most-played and highest-win-rate builds and runes, the matchups that beat Swain, synergy partners, and how Swain closes games — all from ranked Emerald+ data.
Swain is a battle mage in the support, and on patch 16.17 they grade out as a solid mid-tier pick — a 50.2% win rate, 2.6% pick rate, 30,061 ranked games sampled. On the power curve, Swain is a scaling champion: comparatively weak early, but one of the strongest picks on the map once core items come online — so the plan is to survive the laning phase and take the game over late.
How Swain wins: grouped 5-v-5 teamfights, where Swain tips the fight. The kit grades 8/10 teamfighting. Swain grades low on disengage and split-push (3/10, 2/10), so don't take fights that turn on those dimensions.
The most-played core build is Zaz'Zak's Realmspike, Rylai's Crystal Scepter, Liandry's Torment, which holds a 50.3% win rate across 1,757 games this patch. The build above re-optimizes once you lock in the enemy composition.
The matchup to respect is Kayle, where Swain sits at just 41.8%, the lane swings the other way into Galio (58.0%), and on the team side, Swain gains the most from a Quinn (+14.4% pair win rate).
Most-played core build and runes for Swain Support this patch, from Emerald+ ranked games. Pick the enemy team at the top of the page for a comp-specific build.
Champions that beat Swain Support the most this patch, anywhere on the enemy team. Top ban targets.
Who Swain Support wants on the team: partners with the biggest positive swing on Swain's win rate this patch.
Best Top partners for Swain
Best Jungle partners for Swain
Best Mid partners for SwainSwain is also played in these other roles this patch.
For full draft-time coaching with all 10 picks, use the Team Builder. To see Swain's tier on this patch, see the Tier List.
