Kassadinvs Sion
Kassadin vs Sion is a decisive matchup in LoL patch 26.9. Kassadin wins with a 66.7% win rate (+33.3%) over Sion based on 6 games. Kassadin holds the advantage in both the early and late game. Below you'll find the best Kassadin build, runes, laning stats, and strategies for the Kassadin vs Sion matchup.
Kassadin Matchup Breakdown
Use the dropdown to select an opponent and see a detailed breakdown of how Kassadin 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(66.7%)Who Wins the Kassadin vs Sion Matchup?
Kassadin vs Sion Matchup Summary
The Kassadin vs Sion matchup is a decisive matchup in League of Legends ranked play. Based on 6 recent matches analyzed, Kassadin wins with a 66.7% win rate compared to Sion's 33.3%, giving Kassadin a 33.3 percentage point advantage. Kassadin dominates at every stage — from early laning through late game team fights. This consistent advantage makes it difficult for Sion players to find favorable windows, so team-dependent strategies and avoiding solo confrontations are essential. The most significant statistical gap is in crowd control, where Sion leads by 1.2s CC/min — a difference that heavily influences the outcome of trades and skirmishes. Kassadin players can confidently pick into Sion and play aggressively from level 1. Look to establish lane dominance early through favorable trades and zone Sion away from CS whenever possible. Understanding these matchup dynamics is essential for champion select decisions and in-game strategy when facing this lane opponent.
Kassadin vs Sion Laning Phase Breakdown
Sion is favored during the laning phase against Kassadin, winning 4 out of 5 key stat categories. Sion holds advantages in farming, gold income, crowd control and sustain, making them the stronger laner in this matchup.
Best Kassadin Build Against Sion
Immortal Path is the optimal boots choice against Sion, providing the mobility and stats Kassadin needs most in this matchup. The top-performing core items for Kassadin against Sion are Rod of Ages, Muramana and Mejai's Soulstealer. This combination gives Kassadin an effective balance of damage, survivability, and utility for the matchup. This build performs exceptionally well, achieving a 100.0% win rate across 1 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 Kassadin vs Sion matchup.
Early Game vs Late Game
Kassadin50.0%Sion50.0%Kassadin75.0%Sion25.0%The early game (first 15 minutes) is a toss-up between Kassadin and Sion, with Kassadin holding a razor-thin 50.0% win rate edge (+0.0%). Individual skill and jungle proximity will matter more than champion advantage in the early laning phase.
Kassadin is far superior in the late game (25+ minutes), boasting a 75.0% win rate — 50.0 points above Sion. Extended games heavily favor Kassadin, whose kit and scaling make them a dominant force in team fights and objective control.
Kassadin holds the advantage at every stage of the game, making this a consistently favorable matchup from lane through late game team fights. Sion players should look for outplays, team-dependent strategies, and picks rather than relying on scaling to win this matchup.
Best Kassadin Runes Against Sion
Sorcery
Domination
Running Sorcery primary with Domination secondary allows Kassadin to press their advantage against Sion, amplifying the strengths that make this a favorable matchup.
Kassadin matchup data for League of Legends patch 26.9. The table below shows Kassadin'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 Kassadin 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 |
|---|---|---|---|---|---|---|---|
| 57.14% | 35 | 6.7 | 705 | 11,225 | 66.7% | 47.1% | |
| 54.29% | 35 | 6.5 | 759 | 11,893 | 38.9% | 70.6% | |
| 58.82% | 34 | 7.0 | 844 | 11,938 | 47.4% | 73.3% | |
| 54.55% | 33 | 6.5 | 760 | 10,937 | 72.2% | 33.3% | |
| 53.33% | 30 | 6.7 | 742 | 12,088 | 42.9% | 62.5% | |
| 40.74% | 27 | 6.8 | 959 | 13,135 | 15.4% | 64.3% | |
| 52.00% | 25 | 6.2 | 840 | 12,674 | 33.3% | 62.5% | |
| 60.87% | 23 | 6.4 | 941 | 12,562 | 44.4% | 71.4% | |
| 47.83% | 23 | 6.7 | 982 | 12,718 | 25.0% | 60.0% | |
| 54.55% | 22 | 6.8 | 775 | 11,442 | 60.0% | 50.0% | |
| 40.91% | 22 | 5.9 | 820 | 10,361 | 27.3% | 54.5% | |
| 52.38% | 21 | 6.3 | 898 | 12,472 | 44.4% | 58.3% | |
| 55.00% | 20 | 6.7 | 781 | 11,445 | 41.7% | 75.0% | |
| 50.00% | 18 | 6.5 | 1,020 | 14,095 | 28.6% | 63.6% | |
| 33.33% | 18 | 6.8 | 1,071 | 12,674 | 40.0% | 25.0% | |
| 58.82% | 17 | 6.5 | 752 | 11,337 | 50.0% | 66.7% | |
| 29.41% | 17 | 6.5 | 651 | 12,748 | 42.9% | 20.0% | |
| 47.06% | 17 | 6.3 | 947 | 14,139 | 50.0% | 46.1% | |
| 25.00% | 16 | 6.0 | 698 | 11,747 | 16.7% | 30.0% | |
| 37.50% | 16 | 6.4 | 738 | 10,206 | 25.0% | 50.0% | |
| 43.75% | 16 | 5.9 | 979 | 14,380 | 33.3% | 50.0% | |
| 60.00% | 15 | 6.2 | 1,019 | 13,302 | 37.5% | 85.7% | |
| 35.71% | 14 | 6.7 | 655 | 11,772 | 37.5% | 33.3% | |
| 64.29% | 14 | 6.0 | 823 | 13,428 | 40.0% | 77.8% | |
| 57.14% | 14 | 5.4 | 671 | 9,078 | 85.7% | 28.6% | |
| 50.00% | 14 | 6.2 | 951 | 12,660 | 0.0% | 87.5% | |
| 57.14% | 14 | 6.4 | 793 | 11,947 | 16.7% | 87.5% | |
| 46.15% | 13 | 6.5 | 763 | 13,294 | 25.0% | 55.6% | |
| 66.67% | 12 | 6.1 | 675 | 11,617 | 33.3% | 100.0% | |
| 8.33% | 12 | 6.2 | 699 | 11,212 | 16.7% | 0.0% | |
| 33.33% | 12 | 6.5 | 938 | 13,148 | 16.7% | 50.0% | |
| 50.00% | 12 | 6.5 | 738 | 11,706 | 40.0% | 57.1% | |
| 36.36% | 11 | 6.6 | 717 | 11,999 | 33.3% | 40.0% | |
| 40.00% | 10 | 6.8 | 779 | 12,600 | 16.7% | 75.0% | |
| 60.00% | 10 | 6.9 | 1,172 | 13,362 | 57.1% | 66.7% | |
| 33.33% | 9 | 5.2 | 780 | 10,872 | 40.0% | 25.0% | |
| 77.78% | 9 | 6.5 | 901 | 13,107 | 75.0% | 80.0% | |
| 77.78% | 9 | 6.0 | 1,168 | 14,497 | 66.7% | 83.3% | |
| 66.67% | 9 | 7.0 | 997 | 14,838 | 75.0% | 60.0% | |
| 55.56% | 9 | 6.4 | 1,083 | 12,287 | 33.3% | 66.7% | |
| 37.50% | 8 | 6.5 | 850 | 12,666 | 25.0% | 50.0% | |
| 50.00% | 8 | 6.5 | 963 | 11,186 | 33.3% | 100.0% | |
| 28.57% | 7 | 7.0 | 633 | 11,489 | 0.0% | 50.0% | |
| 50.00% | 6 | 7.0 | 725 | 10,693 | 66.7% | 33.3% | |
| 66.67% | 6 | 6.3 | 884 | 11,623 | 50.0% | 75.0% | |
| 16.67% | 6 | 6.6 | 611 | 11,307 | 0.0% | 25.0% | |
| 33.33% | 6 | 6.4 | 552 | 8,291 | 25.0% | 50.0% | |
| 83.33% | 6 | 7.4 | 788 | 11,216 | 75.0% | 100.0% | |
| 60.00% | 5 | 4.5 | 974 | 13,245 | 50.0% | 66.7% | |
| 40.00% | 5 | 6.3 | 698 | 11,830 | 0.0% | 66.7% | |
| 40.00% | 5 | 6.8 | 807 | 13,236 | 50.0% | 33.3% | |
| 60.00% | 5 | 6.1 | 584 | 9,348 | 66.7% | 50.0% | |
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Kassadin vs Sion - Frequently Asked Questions
How does Kassadin do against Sion in League of Legends?
Kassadin wins the Kassadin vs Sion matchup with a 66.7% win rate compared to Sion's 33.3%, a 33.3 percentage point difference. This data is based on 6 recent ranked games in patch 26.9.
How does Kassadin do against Sion in the early game?
In the early game, Kassadin has the advantage against Sion with a 50.0% win rate versus 50.0%. Kassadin players should look to press their lane advantage through aggressive trades and wave control during the first 15 minutes.
How does Kassadin do against Sion in the late game?
In the late game, Kassadin takes over the Kassadin vs Sion matchup with a 75.0% win rate compared to 25.0%. Kassadin scales better into team fights and objective contests after 25 minutes.
Who wins the Kassadin vs Sion matchup?
Kassadin wins the matchup against Sion with a 66.7% win rate in League of Legends patch 26.9. The 33.3 percentage point advantage means Kassadin is significantly favored in this lane matchup based on 6 games analyzed.
What is the best Kassadin build against Sion?
The best Kassadin build against Sion includes Rod of Ages, Muramana, Mejai's Soulstealer with Immortal Path. 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 Kassadin runes against Sion?
The best Kassadin runes against Sion use the Sorcery primary tree with Domination secondary. This rune setup achieves a 100.0% win rate in the Kassadin vs Sion matchup. See the full rune breakdown in the matchup comparison above.
Does Kassadin counter Sion?
Yes, Kassadin has a favorable matchup against Sion with a 66.7% win rate. Kassadin strongly counters Sion in lane based on current patch 26.9 data.
How do I play Kassadin against Sion?
When playing Kassadin against Sion, leverage your statistical advantages by trading aggressively during favorable windows. You have early game priority — look for kills and zone control before first recall. Build the recommended items and runes for this specific matchup for the best results.