Kaynvs Sion
Kayn vs Sion is a very close matchup in LoL patch 26.4. Kayn wins with a 50.0% win rate (+0.0%) over Sion based on 34 games. Sion wins the early laning phase while Kayn scales better into the late game. Below you'll find the best Kayn build, runes, laning stats, and strategies for the Kayn vs Sion matchup.
Kayn Matchup Breakdown
Use the dropdown to select an opponent and see a detailed breakdown of how Kayn performs against them. You'll get head-to-head win rates, laning stats, the best build and runes for the matchup, and early vs late game analysis — all based on real ranked data.
Sion(50.0%)Who Wins the Kayn vs Sion Matchup?
Kayn vs Sion Matchup Summary
The Kayn vs Sion matchup is essentially a coin-flip matchup in League of Legends ranked play. Based on 34 recent matches analyzed, Kayn wins with a 50.0% win rate compared to Sion's 50.0%, giving Kayn a 0.0 percentage point advantage. Game phase dynamics play a critical role here: Sion controls the early laning stage, but Kayn outscales as the game goes longer. The matchup shifts dramatically depending on game length — Sion needs to press advantages before Kayn reaches their power spikes, while Kayn should focus on safe farming and hitting key item breakpoints. The most significant statistical gap is in crowd control, where Sion leads by 0.5s CC/min — a difference that heavily influences the outcome of trades and skirmishes. Kayn has a statistical edge, but the margin is close enough that respecting Sion's strengths is important. Trade when cooldowns are favorable, track the enemy jungler, and build toward your strongest item spikes to convert the slight advantage into a decisive lead. Understanding these matchup dynamics is essential for champion select decisions and in-game strategy when facing this lane opponent.
Kayn vs Sion Laning Phase Breakdown
Sion is favored during the laning phase against Kayn, winning 3 out of 5 key stat categories. Sion holds advantages in farming, crowd control and sustain, making them the stronger laner in this matchup.
Best Kayn Build Against Sion
Plated Steelcaps is the optimal boots choice against Sion, providing the mobility and stats Kayn needs most in this matchup. The top-performing core items for Kayn against Sion are Voltaic Cyclosword, Death's Dance and Black Cleaver. This combination gives Kayn an effective balance of damage, survivability, and utility for the matchup. This build performs exceptionally well, achieving a 100.0% win rate across 3 games — well above average and making it the top item path against Sion. Adjustments may be needed based on team compositions and game state, but this build provides the strongest foundation for the Kayn vs Sion matchup.
Early Game vs Late Game
Kayn45.5%Sion54.5%Kayn52.2%Sion47.8%Sion dominates the early game (first 15 minutes) with a commanding 54.5% win rate — a 9.1 percentage point lead over Kayn. This lopsided early game means Sion can dictate the pace of the lane from level 1, controlling trades, wave state, and river priority.
In the late game (25+ minutes), Kayn takes over with a 52.2% win rate, leading Sion by 4.3 percentage points. Kayn scales more effectively into team fights and objective contests.
This matchup features a dramatic power shift: Sion must aggressively press their early advantage and close out the game before Kayn reaches their scaling breakpoints. If Kayn survives the laning phase without falling too far behind, the matchup flips in their favor. Dragon and Rift Herald control are pivotal — the team that secures early objectives can snowball or buy time to scale.
Best Kayn Runes Against Sion
Domination
Precision
The Domination primary with Precision secondary combination helps Kayn maximize their potential in this closely contested matchup, providing the right mix of offensive and defensive tools to edge out Sion.
Kayn matchup data for League of Legends patch 26.4. The table below shows Kayn's win rate, gold difference, and performance stats against every champion in the current meta. Click any champion name to see a detailed head-to-head breakdown including the best Kayn build, runes, laning stats, and early vs late game analysis for that specific matchup.
Opponent | Win Rate | Matches | CS/min | DMG/min | Gold/game | Early WR | Late WR |
|---|---|---|---|---|---|---|---|
| 54.25% | 438 | 1.1 | 722 | 12,943 | 54.0% | 54.5% | |
| 46.31% | 339 | 1.2 | 715 | 13,020 | 49.6% | 43.9% | |
| 45.31% | 321 | 1.1 | 753 | 12,682 | 48.8% | 41.9% | |
| 50.94% | 266 | 1.1 | 753 | 13,780 | 48.5% | 52.5% | |
| 50.57% | 262 | 1.1 | 703 | 13,083 | 51.8% | 49.7% | |
| 47.37% | 229 | 1.2 | 766 | 13,403 | 49.5% | 45.7% | |
| 52.68% | 225 | 1.1 | 761 | 12,909 | 47.5% | 56.8% | |
| 53.74% | 216 | 1.9 | 996 | 13,188 | 55.6% | 52.2% | |
| 50.24% | 207 | 1.2 | 768 | 12,693 | 51.2% | 49.6% | |
| 49.26% | 203 | 1.1 | 784 | 13,041 | 51.7% | 47.4% | |
| 50.26% | 199 | 1.2 | 807 | 13,653 | 52.0% | 49.2% | |
| 54.75% | 181 | 1.1 | 755 | 13,087 | 56.1% | 53.6% | |
| 49.16% | 180 | 1.1 | 807 | 12,931 | 54.8% | 44.2% | |
| 40.12% | 173 | 1.3 | 785 | 13,975 | 41.3% | 39.5% | |
| 45.93% | 173 | 1.1 | 791 | 12,979 | 44.4% | 47.3% | |
| 46.78% | 172 | 1.4 | 824 | 12,843 | 50.6% | 43.2% | |
| 48.03% | 154 | 1.1 | 732 | 12,772 | 41.0% | 55.4% | |
| 51.63% | 153 | 1.6 | 773 | 12,319 | 53.7% | 49.3% | |
| 53.02% | 149 | 1.0 | 734 | 13,140 | 57.1% | 49.4% | |
| 49.66% | 147 | 1.2 | 802 | 13,473 | 48.3% | 50.6% | |
| 46.56% | 131 | 1.1 | 757 | 13,008 | 43.3% | 49.3% | |
| 35.54% | 122 | 1.6 | 738 | 13,284 | 40.0% | 32.9% | |
| 50.00% | 120 | 1.1 | 741 | 12,937 | 64.9% | 36.5% | |
| 52.68% | 112 | 1.2 | 816 | 13,785 | 39.2% | 63.9% | |
| 44.55% | 111 | 1.5 | 727 | 12,018 | 48.2% | 40.7% | |
| 52.83% | 108 | 1.8 | 694 | 12,834 | 51.0% | 54.4% | |
| 55.24% | 106 | 1.0 | 783 | 13,084 | 45.6% | 62.7% | |
| 51.46% | 105 | 1.1 | 756 | 12,539 | 43.8% | 58.2% | |
| 52.04% | 98 | 1.1 | 784 | 13,020 | 51.2% | 52.7% | |
| 53.76% | 94 | 1.4 | 779 | 13,200 | 56.5% | 51.1% | |
| 47.78% | 91 | 1.8 | 758 | 13,195 | 44.4% | 51.1% | |
| 52.87% | 88 | 1.2 | 700 | 12,926 | 48.8% | 56.5% | |
| 44.71% | 86 | 1.2 | 703 | 13,013 | 51.5% | 40.4% | |
| 48.81% | 84 | 1.3 | 753 | 12,489 | 59.5% | 40.4% | |
| 48.15% | 82 | 1.0 | 689 | 12,120 | 47.9% | 48.5% | |
| 47.50% | 80 | 1.5 | 814 | 13,380 | 36.7% | 54.0% | |
| 47.44% | 79 | 1.1 | 787 | 14,017 | 45.2% | 48.9% | |
| 50.65% | 78 | 2.6 | 873 | 13,204 | 58.3% | 43.9% | |
| 50.00% | 76 | 1.2 | 839 | 13,761 | 48.3% | 51.1% | |
| 47.30% | 74 | 1.2 | 796 | 12,840 | 35.5% | 55.8% | |
| 48.61% | 72 | 1.1 | 739 | 11,988 | 48.9% | 48.1% | |
| 47.06% | 69 | 1.4 | 673 | 12,119 | 50.0% | 44.1% | |
| 38.81% | 68 | 1.1 | 711 | 12,930 | 38.5% | 39.0% | |
| 51.52% | 67 | 2.0 | 799 | 12,256 | 58.8% | 43.8% | |
| 48.44% | 64 | 2.6 | 767 | 12,188 | 45.2% | 51.5% | |
| 54.24% | 60 | 1.3 | 840 | 14,506 | 47.6% | 57.9% | |
| 50.85% | 59 | 1.2 | 709 | 13,009 | 54.3% | 45.8% | |
| 53.45% | 58 | 1.1 | 776 | 13,188 | 48.1% | 58.1% | |
| 70.37% | 54 | 1.2 | 798 | 13,859 | 63.0% | 77.8% | |
| 46.30% | 54 | 1.3 | 689 | 13,164 | 47.8% | 45.2% | |
| 52.00% | 50 | 2.8 | 872 | 12,533 | 52.2% | 51.9% | |
| 54.55% | 44 | 1.5 | 788 | 13,400 | 66.7% | 46.1% | |
| 69.05% | 42 | 2.3 | 815 | 13,352 | 64.7% | 72.0% | |
| 57.89% | 38 | 1.3 | 656 | 12,398 | 52.6% | 63.2% | |
| 41.67% | 36 | 1.3 | 746 | 12,463 | 25.0% | 55.0% | |
| 60.00% | 35 | 1.5 | 763 | 13,946 | 50.0% | 65.2% | |
| 50.00% | 34 | 4.0 | 1,003 | 14,163 | 45.5% | 52.2% | |
| 77.42% | 32 | 1.1 | 767 | 13,120 | 62.5% | 93.3% | |
| 53.13% | 32 | 1.7 | 709 | 13,317 | 63.6% | 47.6% | |
| 37.04% | 27 | 2.5 | 756 | 12,564 | 41.7% | 33.3% | |
| 32.00% | 26 | 1.0 | 723 | 13,868 | 30.0% | 33.3% | |
| 42.31% | 26 | 1.0 | 632 | 11,560 | 42.9% | 41.7% | |
| 60.00% | 25 | 1.6 | 877 | 13,687 | 61.5% | 58.3% | |
| 62.50% | 24 | 2.8 | 714 | 12,335 | 76.9% | 45.5% | |
| 47.83% | 23 | 4.2 | 780 | 12,440 | 63.6% | 33.3% | |
| 40.91% | 22 | 4.4 | 973 | 13,633 | 55.6% | 30.8% | |
| 38.10% | 21 | 6.2 | 815 | 11,885 | 36.4% | 40.0% | |
| 50.00% | 20 | 1.2 | 705 | 12,744 | 45.5% | 55.6% | |
| 31.58% | 19 | 5.3 | 866 | 13,622 | 28.6% | 33.3% | |
| 35.29% | 17 | 6.0 | 760 | 11,325 | 37.5% | 33.3% | |
| 58.82% | 17 | 1.2 | 671 | 13,104 | 71.4% | 50.0% | |
| 52.94% | 17 | 4.3 | 962 | 13,680 | 44.4% | 62.5% | |
| 47.06% | 17 | 6.5 | 837 | 12,390 | 55.6% | 37.5% | |
| 50.00% | 16 | 5.2 | 1,017 | 13,562 | 40.0% | 54.5% | |
| 75.00% | 16 | 3.0 | 824 | 13,259 | 80.0% | 66.7% | |
| 66.67% | 15 | 6.1 | 793 | 12,795 | 42.9% | 87.5% | |
| 40.00% | 15 | 1.9 | 761 | 14,668 | 60.0% | 30.0% | |
| 73.33% | 15 | 1.5 | 796 | 15,592 | 50.0% | 81.8% | |
| 71.43% | 14 | 1.2 | 760 | 13,187 | 80.0% | 66.7% | |
| 53.85% | 13 | 4.8 | 669 | 10,837 | 60.0% | 33.3% | |
| 58.33% | 12 | 4.4 | 756 | 10,991 | 50.0% | 75.0% | |
| 50.00% | 12 | 1.5 | 927 | 15,457 | 50.0% | 50.0% | |
| 41.67% | 12 | 6.7 | 851 | 9,706 | 40.0% | 50.0% | |
| 54.55% | 11 | 5.1 | 820 | 12,124 | 80.0% | 33.3% | |
| 63.64% | 11 | 6.4 | 884 | 12,638 | 60.0% | 66.7% | |
| 40.00% | 10 | 5.4 | 860 | 11,296 | 60.0% | 20.0% | |
| 62.50% | 9 | 6.6 | 919 | 13,670 | 50.0% | 75.0% | |
| 37.50% | 8 | 6.4 | 1,054 | 13,605 | 50.0% | 33.3% | |
| 75.00% | 8 | 6.7 | 1,046 | 12,858 | 60.0% | 100.0% | |
| 57.14% | 7 | 4.1 | 716 | 12,228 | 0.0% | 80.0% | |
| 42.86% | 7 | 1.9 | 728 | 13,998 | 100.0% | 33.3% | |
| 16.67% | 6 | 1.6 | 642 | 9,636 | 33.3% | 0.0% | |
| 33.33% | 6 | 6.5 | 752 | 10,389 | 25.0% | 50.0% | |
| 80.00% | 5 | 6.0 | 870 | 14,747 | 100.0% | 66.7% | |
| 40.00% | 5 | 6.2 | 594 | 9,466 | 0.0% | 100.0% | |
| 100.00% | 5 | 2.5 | 900 | 15,645 | 100.0% | 100.0% | |
Help us maintain accuracy! If you notice incorrect stats, missing data, or any issues, your feedback directly improves the quality of our data for the entire community.
Kayn vs Sion - Frequently Asked Questions
How does Kayn do against Sion in League of Legends?
Kayn wins the Kayn vs Sion matchup with a 50.0% win rate compared to Sion's 50.0%, a 0.0 percentage point difference. This data is based on 34 recent ranked games in patch 26.4.
How does Kayn do against Sion in the early game?
In the early game, Sion has the advantage against Kayn with a 54.5% win rate versus 45.5%. Sion players should look to press their lane advantage through aggressive trades and wave control during the first 15 minutes.
How does Kayn do against Sion in the late game?
In the late game, Kayn takes over the Kayn vs Sion matchup with a 52.2% win rate compared to 47.8%. Kayn scales better into team fights and objective contests after 25 minutes.
Who wins the Kayn vs Sion matchup?
Kayn wins the matchup against Sion with a 50.0% win rate in League of Legends patch 26.4. The 0.0 percentage point advantage means Kayn is slightly favored in this lane matchup based on 34 games analyzed.
What is the best Kayn build against Sion?
The best Kayn build against Sion includes Voltaic Cyclosword, Death's Dance, Black Cleaver with Plated Steelcaps. This build achieves a 100.0% win rate in the matchup. Check the matchup breakdown above for the full item path and build order.
What are the best Kayn runes against Sion?
The best Kayn runes against Sion use the Domination primary tree with Precision secondary. This rune setup achieves a 100.0% win rate in the Kayn vs Sion matchup. See the full rune breakdown in the matchup comparison above.
Does Kayn counter Sion?
Yes, Kayn has a favorable matchup against Sion with a 50.0% win rate. Kayn slightly edges out Sion in lane based on current patch 26.4 data.
How do I play Kayn against Sion?
When playing Kayn against Sion, leverage your statistical advantages by trading aggressively during favorable windows. Play safe early and scale into your power spikes where you outperform Sion. Build the recommended items and runes for this specific matchup for the best results.