Sionvs Cassiopeia
Sion vs Cassiopeia is a decisive matchup in LoL patch 26.10. Sion wins with a 63.6% win rate (+27.3%) over Cassiopeia based on 11 games. Sion holds the advantage in both the early and late game. Below you'll find the best Sion build, runes, laning stats, and strategies for the Sion vs Cassiopeia matchup.
Sion Matchup Breakdown
Use the dropdown to select an opponent and see a detailed breakdown of how Sion 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.
Cassiopeia(63.6%)Who Wins the Sion vs Cassiopeia Matchup?
Sion vs Cassiopeia Matchup Summary
The Sion vs Cassiopeia matchup is a decisive matchup in League of Legends ranked play. Based on 11 recent matches analyzed, Sion wins with a 63.6% win rate compared to Cassiopeia's 36.4%, giving Sion a 27.3 percentage point advantage. Sion dominates at every stage — from early laning through late game team fights. This consistent advantage makes it difficult for Cassiopeia players to find favorable windows, so team-dependent strategies and avoiding solo confrontations are essential. The most significant statistical gap is in sustain, where Sion leads by 1,546 HP/min — a difference that heavily influences the outcome of trades and skirmishes. Sion players can confidently pick into Cassiopeia and play aggressively from level 1. Look to establish lane dominance early through favorable trades and zone Cassiopeia away from CS whenever possible. Understanding these matchup dynamics is essential for champion select decisions and in-game strategy when facing this lane opponent.
Sion vs Cassiopeia Laning Phase Breakdown
Sion is favored during the laning phase against Cassiopeia, 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 Sion Build Against Cassiopeia
Mercury's Treads is the optimal boots choice against Cassiopeia, providing the mobility and stats Sion needs most in this matchup. The top-performing core items for Sion against Cassiopeia are Jak'Sho, The Protean, Hollow Radiance and Unending Despair. This combination gives Sion an effective balance of damage, survivability, and utility for the matchup. This build performs exceptionally well, achieving a 100.0% win rate across 2 games — well above average and making it the top item path against Cassiopeia. Adjustments may be needed based on team compositions and game state, but this build provides the strongest foundation for the Sion vs Cassiopeia matchup.
Early Game vs Late Game
Sion50.0%Cassiopeia50.0%Sion80.0%Cassiopeia20.0%The early game (first 15 minutes) is a toss-up between Sion and Cassiopeia, with Sion 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.
Sion is far superior in the late game (25+ minutes), boasting a 80.0% win rate — 60.0 points above Cassiopeia. Extended games heavily favor Sion, whose kit and scaling make them a dominant force in team fights and objective control.
Sion holds the advantage at every stage of the game, making this a consistently favorable matchup from lane through late game team fights. Cassiopeia players should look for outplays, team-dependent strategies, and picks rather than relying on scaling to win this matchup.
Best Sion Runes Against Cassiopeia
Resolve
Inspiration
Running Resolve primary with Inspiration secondary allows Sion to press their advantage against Cassiopeia, amplifying the strengths that make this a favorable matchup.
Sion matchup data for League of Legends patch 26.10. The table below shows Sion'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 Sion 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 |
|---|---|---|---|---|---|---|---|
| 55.09% | 216 | 7.1 | 722 | 12,184 | 60.0% | 51.6% | |
| 43.13% | 160 | 7.2 | 778 | 12,045 | 48.2% | 40.4% | |
| 48.46% | 130 | 6.6 | 787 | 11,246 | 46.4% | 50.0% | |
| 49.56% | 113 | 7.1 | 791 | 13,282 | 42.1% | 53.3% | |
| 48.51% | 101 | 6.8 | 834 | 12,066 | 46.1% | 50.0% | |
| 52.58% | 97 | 7.0 | 928 | 12,697 | 62.2% | 46.7% | |
| 60.92% | 87 | 7.1 | 812 | 12,536 | 64.7% | 58.5% | |
| 53.57% | 84 | 7.5 | 795 | 12,582 | 62.9% | 46.9% | |
| 51.81% | 83 | 7.5 | 792 | 12,207 | 41.2% | 59.2% | |
| 49.32% | 73 | 7.0 | 1,088 | 12,073 | 65.6% | 36.6% | |
| 47.22% | 72 | 6.7 | 861 | 12,211 | 39.1% | 51.0% | |
| 43.66% | 71 | 7.2 | 886 | 12,495 | 48.3% | 40.5% | |
| 53.52% | 71 | 6.2 | 835 | 11,540 | 44.4% | 59.1% | |
| 54.29% | 70 | 6.8 | 989 | 12,539 | 56.7% | 52.5% | |
| 49.25% | 67 | 8.0 | 796 | 12,238 | 43.5% | 52.3% | |
| 55.22% | 67 | 7.3 | 814 | 13,689 | 81.8% | 42.2% | |
| 57.81% | 64 | 7.0 | 811 | 12,288 | 71.4% | 47.2% | |
| 46.03% | 63 | 6.2 | 812 | 12,559 | 51.7% | 41.2% | |
| 44.44% | 63 | 6.2 | 649 | 11,939 | 56.0% | 36.8% | |
| 42.86% | 63 | 6.9 | 788 | 11,490 | 50.0% | 36.4% | |
| 50.00% | 60 | 6.8 | 865 | 12,309 | 52.4% | 48.7% | |
| 44.83% | 58 | 7.1 | 776 | 12,061 | 64.3% | 26.7% | |
| 57.41% | 54 | 7.0 | 992 | 12,029 | 55.6% | 59.3% | |
| 47.17% | 53 | 6.7 | 875 | 12,990 | 50.0% | 46.0% | |
| 57.69% | 52 | 6.6 | 839 | 12,494 | 45.5% | 61.0% | |
| 53.06% | 49 | 7.3 | 923 | 13,156 | 70.6% | 43.8% | |
| 55.32% | 47 | 7.2 | 773 | 12,344 | 68.8% | 48.4% | |
| 42.55% | 47 | 7.0 | 803 | 12,996 | 46.7% | 40.6% | |
| 45.65% | 46 | 6.7 | 852 | 12,375 | 47.4% | 44.4% | |
| 51.11% | 45 | 6.9 | 828 | 11,784 | 54.2% | 47.6% | |
| 43.18% | 44 | 6.6 | 769 | 13,087 | 50.0% | 39.3% | |
| 63.64% | 44 | 6.9 | 788 | 11,657 | 50.0% | 75.0% | |
| 45.24% | 42 | 6.0 | 1,004 | 11,548 | 55.6% | 37.5% | |
| 48.78% | 41 | 7.0 | 908 | 12,049 | 42.1% | 54.5% | |
| 37.50% | 40 | 5.7 | 935 | 12,560 | 25.0% | 45.8% | |
| 51.28% | 39 | 6.7 | 764 | 13,078 | 11.1% | 63.3% | |
| 58.33% | 36 | 6.2 | 849 | 13,288 | 75.0% | 45.0% | |
| 30.56% | 36 | 6.7 | 899 | 12,310 | 30.8% | 30.4% | |
| 52.78% | 36 | 7.1 | 826 | 11,657 | 56.3% | 50.0% | |
| 57.14% | 35 | 4.4 | 884 | 13,096 | 69.2% | 50.0% | |
| 35.29% | 34 | 6.9 | 783 | 11,308 | 31.6% | 40.0% | |
| 53.13% | 32 | 5.7 | 725 | 12,162 | 69.2% | 42.1% | |
| 65.63% | 32 | 7.5 | 982 | 12,192 | 70.0% | 58.3% | |
| 35.48% | 31 | 6.7 | 791 | 13,060 | 28.6% | 37.5% | |
| 61.29% | 31 | 6.5 | 880 | 12,592 | 46.1% | 72.2% | |
| 44.83% | 29 | 6.4 | 661 | 12,713 | 60.0% | 36.8% | |
| 34.48% | 29 | 6.8 | 925 | 14,630 | 55.6% | 25.0% | |
| 65.52% | 29 | 6.8 | 836 | 11,331 | 53.3% | 78.6% | |
| 53.57% | 28 | 6.7 | 758 | 11,537 | 57.1% | 50.0% | |
| 70.37% | 27 | 7.3 | 801 | 11,539 | 84.6% | 57.1% | |
| 55.56% | 27 | 4.2 | 720 | 11,605 | 44.4% | 61.1% | |
| 55.56% | 27 | 4.1 | 652 | 11,409 | 75.0% | 40.0% | |
| 38.46% | 26 | 6.5 | 771 | 10,672 | 45.5% | 33.3% | |
| 57.69% | 26 | 6.4 | 842 | 11,124 | 50.0% | 62.5% | |
| 52.00% | 25 | 5.0 | 775 | 12,313 | 28.6% | 61.1% | |
| 52.00% | 25 | 7.3 | 689 | 11,025 | 56.3% | 44.4% | |
| 45.83% | 24 | 7.1 | 852 | 14,531 | 60.0% | 42.1% | |
| 66.67% | 24 | 6.7 | 629 | 11,090 | 66.7% | 66.7% | |
| 47.83% | 23 | 6.8 | 835 | 11,979 | 66.7% | 35.7% | |
| 60.87% | 23 | 2.5 | 731 | 12,226 | 83.3% | 52.9% | |
| 50.00% | 22 | 7.4 | 742 | 13,039 | 66.7% | 43.8% | |
| 59.09% | 22 | 7.1 | 751 | 11,520 | 77.8% | 46.1% | |
| 50.00% | 22 | 5.0 | 792 | 13,487 | 42.9% | 53.3% | |
| 42.86% | 21 | 4.4 | 825 | 12,767 | 44.4% | 41.7% | |
| 31.58% | 19 | 2.0 | 912 | 13,258 | 33.3% | 30.8% | |
| 63.16% | 19 | 3.0 | 734 | 11,826 | 70.0% | 55.6% | |
| 52.63% | 19 | 2.8 | 833 | 15,343 | 66.7% | 50.0% | |
| 55.56% | 18 | 7.1 | 820 | 10,467 | 44.4% | 66.7% | |
| 55.56% | 18 | 6.5 | 734 | 12,263 | 80.0% | 46.1% | |
| 72.22% | 18 | 7.0 | 768 | 12,918 | 77.8% | 66.7% | |
| 66.67% | 18 | 5.9 | 719 | 11,996 | 75.0% | 60.0% | |
| 47.06% | 17 | 5.7 | 843 | 13,807 | 85.7% | 20.0% | |
| 64.71% | 17 | 5.2 | 984 | 12,798 | 75.0% | 61.5% | |
| 52.94% | 17 | 3.6 | 667 | 10,447 | 71.4% | 40.0% | |
| 47.06% | 17 | 4.1 | 686 | 10,305 | 42.9% | 50.0% | |
| 18.75% | 16 | 2.2 | 703 | 10,935 | 42.9% | 0.0% | |
| 43.75% | 16 | 6.7 | 904 | 11,614 | 42.9% | 44.4% | |
| 31.25% | 16 | 7.5 | 679 | 12,198 | 50.0% | 20.0% | |
| 37.50% | 16 | 3.6 | 734 | 10,220 | 57.1% | 22.2% | |
| 68.75% | 16 | 3.5 | 865 | 11,936 | 75.0% | 66.7% | |
| 50.00% | 16 | 2.5 | 679 | 11,492 | 80.0% | 36.4% | |
| 50.00% | 16 | 5.9 | 857 | 8,701 | 50.0% | 50.0% | |
| 53.33% | 15 | 6.5 | 690 | 11,334 | 60.0% | 50.0% | |
| 60.00% | 15 | 2.3 | 808 | 10,318 | 60.0% | 60.0% | |
| 46.67% | 15 | 6.4 | 768 | 11,934 | 55.6% | 33.3% | |
| 33.33% | 15 | 4.2 | 848 | 13,663 | 20.0% | 40.0% | |
| 64.29% | 14 | 7.9 | 759 | 11,441 | 50.0% | 75.0% | |
| 35.71% | 14 | 7.5 | 731 | 11,827 | 60.0% | 22.2% | |
| 23.08% | 13 | 2.6 | 851 | 13,547 | 50.0% | 18.2% | |
| 46.15% | 13 | 5.0 | 831 | 12,408 | 50.0% | 42.9% | |
| 58.33% | 12 | 6.1 | 909 | 11,645 | 50.0% | 66.7% | |
| 50.00% | 12 | 6.5 | 606 | 11,179 | 40.0% | 57.1% | |
| 41.67% | 12 | 5.9 | 846 | 11,615 | 75.0% | 25.0% | |
| 33.33% | 12 | 3.8 | 725 | 10,663 | 40.0% | 28.6% | |
| 41.67% | 12 | 2.0 | 633 | 9,435 | 40.0% | 50.0% | |
| 58.33% | 12 | 7.2 | 915 | 15,318 | 100.0% | 44.4% | |
| 27.27% | 11 | 5.4 | 958 | 12,906 | 25.0% | 28.6% | |
| 63.64% | 11 | 2.4 | 707 | 12,595 | 33.3% | 75.0% | |
| 63.64% | 11 | 6.3 | 728 | 10,744 | 50.0% | 80.0% | |
| 30.00% | 10 | 6.9 | 817 | 12,827 | 50.0% | 25.0% | |
| 44.44% | 9 | 2.5 | 627 | 11,075 | 50.0% | 33.3% | |
| 22.22% | 9 | 2.9 | 750 | 11,049 | 40.0% | 0.0% | |
| 33.33% | 9 | 5.3 | 789 | 13,196 | 0.0% | 50.0% | |
| 55.56% | 9 | 6.9 | 905 | 11,371 | 75.0% | 40.0% | |
| 55.56% | 9 | 1.9 | 591 | 9,691 | 0.0% | 83.3% | |
| 44.44% | 9 | 6.5 | 748 | 11,357 | 40.0% | 50.0% | |
| 25.00% | 8 | 2.4 | 575 | 7,219 | 28.6% | 0.0% | |
| 62.50% | 8 | 1.8 | 821 | 11,421 | 50.0% | 75.0% | |
| 50.00% | 8 | 2.6 | 813 | 11,503 | 33.3% | 60.0% | |
| 75.00% | 8 | 1.4 | 758 | 11,929 | 50.0% | 100.0% | |
| 50.00% | 8 | 2.8 | 793 | 15,178 | 66.7% | 40.0% | |
| 71.43% | 7 | 7.3 | 730 | 14,614 | 66.7% | 75.0% | |
| 85.71% | 7 | 2.0 | 816 | 12,072 | 100.0% | 83.3% | |
| 85.71% | 7 | 4.7 | 670 | 13,409 | 50.0% | 100.0% | |
| 85.71% | 7 | 6.0 | 869 | 14,661 | 66.7% | 100.0% | |
| 57.14% | 7 | 4.9 | 751 | 12,961 | 66.7% | 50.0% | |
| 71.43% | 7 | 7.5 | 700 | 11,748 | 33.3% | 100.0% | |
| 28.57% | 7 | 5.9 | 980 | 12,897 | 0.0% | 40.0% | |
| 28.57% | 7 | 7.1 | 895 | 13,194 | 66.7% | 0.0% | |
| 57.14% | 7 | 6.5 | 875 | 15,313 | 33.3% | 75.0% | |
| 66.67% | 6 | 5.5 | 683 | 11,803 | 66.7% | 66.7% | |
| 50.00% | 6 | 2.5 | 691 | 9,910 | 40.0% | 100.0% | |
| 16.67% | 6 | 3.4 | 933 | 10,022 | 0.0% | 33.3% | |
| 50.00% | 6 | 6.1 | 721 | 11,155 | 25.0% | 100.0% | |
| 50.00% | 6 | 1.5 | 903 | 13,484 | 0.0% | 75.0% | |
| 16.67% | 6 | 6.6 | 942 | 11,843 | 50.0% | 0.0% | |
| 50.00% | 6 | 5.8 | 762 | 14,338 | 0.0% | 100.0% | |
| 33.33% | 6 | 2.6 | 537 | 12,285 | 50.0% | 25.0% | |
| 33.33% | 6 | 6.3 | 750 | 11,777 | 33.3% | 33.3% | |
| 66.67% | 6 | 1.7 | 586 | 11,202 | 100.0% | 50.0% | |
| 60.00% | 5 | 2.2 | 620 | 9,361 | 66.7% | 50.0% | |
| 40.00% | 5 | 6.5 | 717 | 11,225 | 0.0% | 66.7% | |
| 60.00% | 5 | 4.2 | 948 | 13,025 | 100.0% | 33.3% | |
| 60.00% | 5 | 3.9 | 680 | 10,059 | 66.7% | 50.0% | |
| 40.00% | 5 | 0.8 | 721 | 12,710 | 50.0% | 33.3% | |
| 60.00% | 5 | 4.7 | 798 | 15,216 | 0.0% | 60.0% | |
| 60.00% | 5 | 2.2 | 752 | 10,166 | 33.3% | 100.0% | |
| 40.00% | 5 | 2.8 | 679 | 12,912 | 100.0% | 25.0% | |
| 60.00% | 5 | 7.8 | 732 | 14,654 | 100.0% | 50.0% | |
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Sion vs Cassiopeia - Frequently Asked Questions
How does Sion do against Cassiopeia in League of Legends?
Sion wins the Sion vs Cassiopeia matchup with a 63.6% win rate compared to Cassiopeia's 36.4%, a 27.3 percentage point difference. This data is based on 11 recent ranked games in patch 26.10.
How does Sion do against Cassiopeia in the early game?
In the early game, Sion has the advantage against Cassiopeia with a 50.0% win rate versus 50.0%. Sion players should look to press their lane advantage through aggressive trades and wave control during the first 15 minutes.
How does Sion do against Cassiopeia in the late game?
In the late game, Sion takes over the Sion vs Cassiopeia matchup with a 80.0% win rate compared to 20.0%. Sion scales better into team fights and objective contests after 25 minutes.
Who wins the Sion vs Cassiopeia matchup?
Sion wins the matchup against Cassiopeia with a 63.6% win rate in League of Legends patch 26.10. The 27.3 percentage point advantage means Sion is significantly favored in this lane matchup based on 11 games analyzed.
What is the best Sion build against Cassiopeia?
The best Sion build against Cassiopeia includes Jak'Sho, The Protean, Hollow Radiance, Unending Despair with Mercury's Treads. 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 Sion runes against Cassiopeia?
The best Sion runes against Cassiopeia use the Resolve primary tree with Inspiration secondary. This rune setup achieves a 100.0% win rate in the Sion vs Cassiopeia matchup. See the full rune breakdown in the matchup comparison above.
Does Sion counter Cassiopeia?
Yes, Sion has a favorable matchup against Cassiopeia with a 63.6% win rate. Sion strongly counters Cassiopeia in lane based on current patch 26.10 data.
How do I play Sion against Cassiopeia?
When playing Sion against Cassiopeia, 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.