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Everything for Sion Support on patch 16.17, pulled from real Emerald+ ranked games — the build path, rune pages, the counters worth banning, the strongest teammates, and Sion's win conditions.
Sion is an engage tank in the support, and on patch 16.17 they grade out as a solid mid-tier pick — a 48.8% win rate, 0.2% pick rate, 2,737 ranked games sampled. On the power curve, Sion holds a fairly even power curve, staying relevant at every stage rather than relying on a single timing.
How Sion wins: winning the wave and turning push priority into map control, and landing engage and starting fights on Sion's terms. The kit grades 8/10 waveclear, 7/10 engage, 7/10 teamfighting. Sion grades low on disengage and mobility (3/10, 2/10), so don't take fights that turn on those dimensions.
The most-played core build is Bloodsong, Youmuu's Ghostblade, Axiom Arc, which holds a 44.6% win rate across 65 games this patch. Item order and defensive swaps update against whichever enemy comp you select.
The matchup to respect is Jinx, where Sion sits at just 45.4%, and on the team side, Sion gains the most from a Nocturne (+5.1% pair win rate).
Sion's highest-volume core items and rune page this patch. Select the enemy composition above and the build re-optimizes for that exact matchup.
Sion Support's worst matchups on patch 16.17, ranked by how often they win the lane. Ban these to smooth the game out.
Champions whose presence raises Sion's win rate most as Support, by pair WR delta over Sion's solo performance.
Best Top partners for Sion
Best Jungle partners for Sion
Best Mid partners for SionSion is also played in these other roles this patch.
Drafting a whole team? The Team Builder coaches all 10 picks at once. Want Sion's current standing? Open the Tier List.
