
Sionvs Karthus
Sion vs Karthus is a decisive matchup in LoL patch 26.7. Sion wins with a 85.7% win rate (+71.4%) over Karthus based on 7 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 Karthus 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.
Who Wins the Sion vs Karthus Matchup?

Sion vs Karthus Matchup Summary
The Sion vs Karthus matchup is a decisive matchup in League of Legends ranked play. Based on 7 recent matches analyzed, Sion wins with a 85.7% win rate compared to Karthus's 14.3%, giving Sion a 71.4 percentage point advantage. Sion dominates at every stage — from early laning through late game team fights. This consistent advantage makes it difficult for Karthus 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 1,034 HP/min — a difference that heavily influences the outcome of trades and skirmishes. Sion players can confidently pick into Karthus and play aggressively from level 1. Look to establish lane dominance early through favorable trades and zone Karthus 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 Karthus Laning Phase Breakdown
Sion is favored during the laning phase against Karthus, 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 Karthus
Boots of Swiftness is the optimal boots choice against Karthus, providing the mobility and stats Sion needs most in this matchup. The top-performing core items for Sion against Karthus are Opportunity, The Collector and Youmuu's Ghostblade. 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 1 games — well above average and making it the top item path against Karthus. Adjustments may be needed based on team compositions and game state, but this build provides the strongest foundation for the Sion vs Karthus matchup.
Early Game vs Late Game
Sion dominates the early game (first 15 minutes) with a commanding 100.0% win rate — a 100.0 percentage point lead over Karthus. This lopsided early game means Sion can dictate the pace of the lane from level 1, controlling trades, wave state, and river priority.
Sion is far superior in the late game (25+ minutes), boasting a 66.7% win rate — 33.3 points above Karthus. 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. Karthus players should look for outplays, team-dependent strategies, and picks rather than relying on scaling to win this matchup.
Best Sion Runes Against Karthus
Running Sorcery primary with Inspiration secondary allows Sion to press their advantage against Karthus, amplifying the strengths that make this a favorable matchup.
Sion matchup data for League of Legends patch 26.7. 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 |
|---|---|---|---|---|---|---|---|
| 51.25% | 160 | 7.3 | 816 | 12,462 | 44.2% | 57.8% | |
| 58.42% | 101 | 6.9 | 880 | 12,954 | 67.5% | 52.5% | |
| 48.94% | 94 | 6.8 | 860 | 12,743 | 52.8% | 46.5% | |
| 46.74% | 92 | 6.8 | 922 | 12,056 | 56.5% | 37.0% | |
| 53.57% | 84 | 7.1 | 762 | 13,362 | 69.7% | 43.1% | |
| 46.58% | 73 | 7.0 | 744 | 11,998 | 44.4% | 48.6% | |
| 40.30% | 67 | 6.6 | 867 | 12,313 | 42.4% | 38.2% | |
| 52.24% | 67 | 7.1 | 873 | 12,942 | 50.0% | 53.9% | |
| 39.68% | 63 | 7.3 | 854 | 13,760 | 42.9% | 38.1% | |
| 46.55% | 58 | 6.3 | 764 | 11,061 | 46.4% | 46.7% | |
| 50.91% | 55 | 7.6 | 791 | 13,317 | 66.7% | 38.7% | |
| 49.09% | 55 | 7.1 | 992 | 12,607 | 65.2% | 37.5% | |
| 50.94% | 53 | 7.1 | 866 | 12,221 | 45.8% | 55.2% | |
| 51.92% | 52 | 7.1 | 1,170 | 12,577 | 53.9% | 50.0% | |
| 64.00% | 50 | 6.8 | 998 | 12,322 | 66.7% | 62.1% | |
| 46.94% | 49 | 6.2 | 701 | 12,813 | 50.0% | 44.8% | |
| 57.14% | 49 | 7.8 | 811 | 13,917 | 57.9% | 56.7% | |
| 54.17% | 48 | 6.7 | 819 | 13,135 | 77.3% | 34.6% | |
| 52.08% | 48 | 7.1 | 877 | 12,994 | 43.8% | 56.3% | |
| 34.04% | 47 | 7.2 | 930 | 12,737 | 50.0% | 22.2% | |
| 57.45% | 47 | 7.1 | 830 | 12,345 | 63.2% | 53.6% | |
| 52.17% | 46 | 7.2 | 867 | 13,137 | 52.6% | 51.9% | |
| 52.27% | 44 | 7.2 | 950 | 12,256 | 75.0% | 39.3% | |
| 42.86% | 42 | 7.3 | 757 | 12,738 | 47.6% | 38.1% | |
| 47.62% | 42 | 6.7 | 792 | 10,318 | 40.0% | 54.5% | |
| 43.90% | 41 | 7.0 | 827 | 12,256 | 38.9% | 47.8% | |
| 55.00% | 40 | 6.9 | 815 | 12,844 | 43.8% | 62.5% | |
| 51.28% | 39 | 6.9 | 941 | 12,961 | 66.7% | 41.7% | |
| 38.46% | 39 | 7.3 | 838 | 12,433 | 47.8% | 25.0% | |
| 46.15% | 39 | 7.5 | 770 | 12,796 | 41.2% | 50.0% | |
| 50.00% | 38 | 7.8 | 848 | 12,400 | 47.6% | 52.9% | |
| 52.63% | 38 | 6.1 | 821 | 13,363 | 68.8% | 40.9% | |
| 48.65% | 37 | 6.9 | 671 | 12,379 | 44.4% | 52.6% | |
| 47.22% | 36 | 7.1 | 851 | 12,228 | 47.4% | 47.1% | |
| 38.89% | 36 | 5.3 | 816 | 11,745 | 47.4% | 29.4% | |
| 54.55% | 33 | 7.4 | 916 | 14,775 | 71.4% | 42.1% | |
| 54.55% | 33 | 7.3 | 747 | 12,735 | 50.0% | 58.8% | |
| 51.61% | 31 | 6.9 | 761 | 11,538 | 52.9% | 50.0% | |
| 41.94% | 31 | 7.1 | 691 | 11,608 | 33.3% | 53.9% | |
| 40.00% | 30 | 6.8 | 695 | 11,459 | 50.0% | 31.3% | |
| 37.93% | 29 | 7.1 | 807 | 11,876 | 41.2% | 33.3% | |
| 48.15% | 27 | 7.3 | 727 | 12,460 | 54.5% | 43.8% | |
| 48.15% | 27 | 7.8 | 827 | 14,515 | 55.6% | 44.4% | |
| 65.38% | 26 | 6.7 | 979 | 15,055 | 80.0% | 61.9% | |
| 46.15% | 26 | 4.8 | 726 | 11,175 | 27.3% | 60.0% | |
| 34.62% | 26 | 6.8 | 1,052 | 13,135 | 41.7% | 28.6% | |
| 52.00% | 25 | 7.5 | 913 | 13,173 | 50.0% | 53.9% | |
| 58.33% | 24 | 7.3 | 933 | 12,748 | 70.0% | 50.0% | |
| 37.50% | 24 | 6.5 | 797 | 12,395 | 30.8% | 45.5% | |
| 52.17% | 23 | 4.8 | 851 | 11,669 | 53.9% | 50.0% | |
| 65.22% | 23 | 7.1 | 878 | 13,269 | 50.0% | 76.9% | |
| 43.48% | 23 | 6.6 | 876 | 13,394 | 50.0% | 40.0% | |
| 31.58% | 19 | 6.4 | 779 | 14,001 | 33.3% | 30.8% | |
| 61.11% | 18 | 6.4 | 922 | 13,123 | 77.8% | 44.4% | |
| 50.00% | 18 | 3.3 | 869 | 13,764 | 33.3% | 53.3% | |
| 50.00% | 18 | 7.2 | 754 | 12,754 | 55.6% | 44.4% | |
| 61.11% | 18 | 5.4 | 675 | 11,219 | 66.7% | 55.6% | |
| 38.89% | 18 | 3.5 | 756 | 11,382 | 50.0% | 33.3% | |
| 29.41% | 17 | 7.5 | 707 | 12,473 | 22.2% | 37.5% | |
| 47.06% | 17 | 6.4 | 695 | 11,724 | 70.0% | 14.3% | |
| 47.06% | 17 | 7.4 | 822 | 12,652 | 60.0% | 28.6% | |
| 58.82% | 17 | 7.1 | 801 | 10,667 | 66.7% | 50.0% | |
| 35.29% | 17 | 7.3 | 830 | 13,392 | 22.2% | 50.0% | |
| 47.06% | 17 | 4.5 | 777 | 12,230 | 37.5% | 55.6% | |
| 82.35% | 17 | 2.4 | 695 | 11,406 | 100.0% | 70.0% | |
| 35.29% | 17 | 5.9 | 906 | 15,060 | 0.0% | 42.9% | |
| 12.50% | 16 | 7.5 | 792 | 13,429 | 0.0% | 20.0% | |
| 62.50% | 16 | 7.0 | 805 | 14,128 | 40.0% | 72.7% | |
| 56.25% | 16 | 7.4 | 781 | 13,435 | 83.3% | 40.0% | |
| 80.00% | 15 | 7.3 | 774 | 13,119 | 75.0% | 85.7% | |
| 66.67% | 15 | 7.1 | 829 | 13,240 | 55.6% | 83.3% | |
| 60.00% | 15 | 7.2 | 898 | 12,476 | 77.8% | 33.3% | |
| 53.33% | 15 | 4.9 | 795 | 11,946 | 85.7% | 25.0% | |
| 50.00% | 14 | 6.3 | 777 | 12,511 | 50.0% | 50.0% | |
| 35.71% | 14 | 6.2 | 821 | 13,938 | 25.0% | 40.0% | |
| 64.29% | 14 | 7.3 | 766 | 11,986 | 66.7% | 62.5% | |
| 61.54% | 13 | 2.5 | 725 | 12,182 | 66.7% | 60.0% | |
| 53.85% | 13 | 7.3 | 640 | 13,802 | 20.0% | 75.0% | |
| 76.92% | 13 | 2.4 | 850 | 11,388 | 75.0% | 80.0% | |
| 61.54% | 13 | 7.3 | 741 | 13,167 | 75.0% | 55.6% | |
| 53.85% | 13 | 7.1 | 884 | 13,040 | 50.0% | 55.6% | |
| 38.46% | 13 | 7.3 | 631 | 11,543 | 25.0% | 44.4% | |
| 69.23% | 13 | 7.8 | 904 | 13,676 | 80.0% | 62.5% | |
| 66.67% | 12 | 6.9 | 626 | 13,117 | 83.3% | 50.0% | |
| 33.33% | 12 | 2.1 | 690 | 13,607 | 50.0% | 30.0% | |
| 58.33% | 12 | 5.9 | 713 | 12,929 | 50.0% | 62.5% | |
| 54.55% | 11 | 5.2 | 782 | 11,995 | 80.0% | 33.3% | |
| 63.64% | 11 | 2.6 | 962 | 16,584 | 50.0% | 71.4% | |
| 45.45% | 11 | 7.6 | 685 | 12,457 | 60.0% | 33.3% | |
| 36.36% | 11 | 4.4 | 831 | 15,251 | 0.0% | 44.4% | |
| 54.55% | 11 | 6.3 | 1,001 | 13,459 | 55.6% | 50.0% | |
| 60.00% | 10 | 5.0 | 844 | 12,867 | 75.0% | 50.0% | |
| 50.00% | 10 | 2.7 | 677 | 10,280 | 100.0% | 28.6% | |
| 30.00% | 10 | 3.9 | 796 | 13,839 | 0.0% | 42.9% | |
| 50.00% | 10 | 5.0 | 704 | 11,325 | 66.7% | 42.9% | |
| 50.00% | 10 | 6.2 | 936 | 13,627 | 100.0% | 37.5% | |
| 60.00% | 10 | 3.5 | 900 | 14,256 | 80.0% | 40.0% | |
| 55.56% | 9 | 3.4 | 674 | 12,212 | 33.3% | 66.7% | |
| 55.56% | 9 | 6.2 | 825 | 12,127 | 100.0% | 20.0% | |
| 55.56% | 9 | 4.4 | 948 | 13,470 | 33.3% | 66.7% | |
| 25.00% | 8 | 6.8 | 851 | 12,791 | 0.0% | 33.3% | |
| 50.00% | 8 | 7.1 | 820 | 13,063 | 75.0% | 25.0% | |
| 75.00% | 8 | 4.3 | 559 | 12,714 | 100.0% | 60.0% | |
| 50.00% | 8 | 3.7 | 503 | 9,065 | 66.7% | 40.0% | |
| 75.00% | 8 | 6.1 | 853 | 14,369 | 75.0% | 75.0% | |
| 37.50% | 8 | 2.2 | 585 | 11,671 | 25.0% | 50.0% | |
| 37.50% | 8 | 7.9 | 717 | 15,244 | 33.3% | 40.0% | |
| 62.50% | 8 | 2.2 | 804 | 10,906 | 83.3% | 0.0% | |
| 62.50% | 8 | 2.6 | 674 | 12,511 | 50.0% | 66.7% | |
| 62.50% | 8 | 1.7 | 696 | 10,202 | 60.0% | 66.7% | |
| 42.86% | 7 | 3.0 | 723 | 11,284 | 33.3% | 50.0% | |
| 42.86% | 7 | 5.1 | 827 | 12,520 | 25.0% | 66.7% | |
| 57.14% | 7 | 6.6 | 809 | 13,230 | 100.0% | 25.0% | |
| 14.29% | 7 | 6.4 | 647 | 12,955 | 50.0% | 0.0% | |
| 28.57% | 7 | 7.7 | 564 | 11,856 | 0.0% | 50.0% | |
| 57.14% | 7 | 5.8 | 883 | 13,349 | 75.0% | 33.3% | |
| 85.71% | 7 | 3.0 | 610 | 14,302 | 100.0% | 66.7% | |
| 71.43% | 7 | 6.5 | 674 | 14,408 | 50.0% | 80.0% | |
| 66.67% | 6 | 1.9 | 580 | 9,045 | 50.0% | 75.0% | |
| 66.67% | 6 | 3.3 | 966 | 13,312 | 66.7% | 66.7% | |
| 83.33% | 6 | 6.4 | 1,054 | 14,514 | 100.0% | 66.7% | |
| 33.33% | 6 | 6.1 | 638 | 10,869 | 33.3% | 33.3% | |
| 16.67% | 6 | 2.3 | 520 | 9,560 | 33.3% | 0.0% | |
| 50.00% | 6 | 1.6 | 834 | 14,781 | 50.0% | 50.0% | |
| 50.00% | 6 | 3.0 | 779 | 12,822 | 100.0% | 0.0% | |
| 50.00% | 6 | 2.6 | 810 | 9,558 | 40.0% | 100.0% | |
| 16.67% | 6 | 3.4 | 786 | 12,375 | 50.0% | 0.0% | |
| 100.00% | 5 | 7.1 | 799 | 15,293 | 0.0% | 100.0% | |
| 40.00% | 5 | 6.2 | 833 | 13,781 | 33.3% | 50.0% | |
| 60.00% | 5 | 5.8 | 822 | 13,429 | 66.7% | 50.0% | |
| 80.00% | 5 | 1.6 | 607 | 9,500 | 66.7% | 100.0% | |
| 60.00% | 5 | 7.2 | 656 | 10,245 | 50.0% | 100.0% | |
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Sion vs Karthus - Frequently Asked Questions
How does Sion do against Karthus in League of Legends?
Sion wins the Sion vs Karthus matchup with a 85.7% win rate compared to Karthus's 14.3%, a 71.4 percentage point difference. This data is based on 7 recent ranked games in patch 26.7.
How does Sion do against Karthus in the early game?
In the early game, Sion has the advantage against Karthus with a 100.0% win rate versus 0.0%. 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 Karthus in the late game?
In the late game, Sion takes over the Sion vs Karthus matchup with a 66.7% win rate compared to 33.3%. Sion scales better into team fights and objective contests after 25 minutes.
Who wins the Sion vs Karthus matchup?
Sion wins the matchup against Karthus with a 85.7% win rate in League of Legends patch 26.7. The 71.4 percentage point advantage means Sion is significantly favored in this lane matchup based on 7 games analyzed.
What is the best Sion build against Karthus?
The best Sion build against Karthus includes Opportunity, The Collector, Youmuu's Ghostblade with Boots of Swiftness. 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 Karthus?
The best Sion runes against Karthus use the Sorcery primary tree with Inspiration secondary. This rune setup achieves a 100.0% win rate in the Sion vs Karthus matchup. See the full rune breakdown in the matchup comparison above.
Does Sion counter Karthus?
Yes, Sion has a favorable matchup against Karthus with a 85.7% win rate. Sion strongly counters Karthus in lane based on current patch 26.7 data.
How do I play Sion against Karthus?
When playing Sion against Karthus, 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.
