Hitting multiple champions with the same ability can help quickly activate Darkness Rise.
Offense is your defense. Keep fighting to build up larger Indestructible shields.
Use Realm of Death on a low health enemy to guarantee the kill and keep their stats for the rest of a teamfight.
Use the time after Sion has died to reposition and prepare for his return.
Even if Sion still hits a Decimating Smash, making him release the charge earlier reduces its impact.
The stats shown on this page clarify some strategic Mordekaiser versus Sion matchup statistics that may help you interpret the distinctions between this set of champs. Mordekaiser’s KDA ratio ([kills + assists] / deaths) of NaN is better than Sion’s KDA ratio of NaN, highlighting that Mordekaiser may be more central to his team's team fighting capacity than Sion. This observation is largely a result of the difference in kills.
Mordekaiser usually has a much larger longest killing spree than his matchup does. On average, he takes less damage than Sion. This commonly reflects different amounts of tankyness, but it can also hint that the champ with higher HP has less mobility and thus is not able to flee from additional damage when engaged or poked.
Both League champs are great. Both champs have their strengths, weaknesses, and counters. In League's current meta, Mordekaiser usually wins when taking on Sion, with a 54.4% win rate. Thus, Mordekaiser makes a great counter to Sion.
While Mordekaiser does have a much higher winrate than Sion, when they face off with one another, Mordekaiser also has a lower learning curve that makes him a less difficult champion to pick up and master. You should be be fine when picking Mordekaiser into Sion.
Additionally, Mordekaiser also has some amount of utility and CC, a similar amount to Sion. This often makes her just as valuable during team fights, especially when trying to counter champions with a ton of burst damage.
While there is not a single best champion overall in League of Legends, in Mordekaiser vs Sion matchups, Mordekaiser is the better champion with a noticably higher win rate, less champion complexity, and a similar amount of utility to help out your allied champions during team fights.
Mordekaiser is a great counter for Sion. Focus your gameplay on maximizing your CS and taking out objectives. If you can do that, you should be able to stand on your own as Mordekaiser against Sion.
If you would like to learn all of the intricacies of Mordekaiser in order to counter Sion during both the early game and mid / late game phases of League of Legends, you should continue reading to gather a few extra lessons on this matchup. If you listen to the build and tips displayed above, you should increase your win rate significantly and be closer to League of Legends pro players.
Mordekaiser typically gets a similar amount of CS compared to Sion. Champs who on average don't take many minion kills typically don't need much CS to be effective, such as sup champs. These kinds of champions are capable of scaling well off of their skills, stats, and first items alone. Yet, champions with a lot of CS, such as hyper-carries, usually require several high cost items to be effective. In either case, try to exceed the values shown on this page to do well.
The best items to prioritize in your Mordekaiser versus Sion build include Spirit Visage, Zhonya's Hourglass, and Riftmaker. When Mordekaiser included at least these three items in his build, he did a lot better when fighting Sion than with most other common builds. In fact, Mordekaiser boasted an average winrate of 54.4% when playing against Sion with these items in his kit.
To have the highest likelihood of defeating Sion as Mordekaiser, you should equip the Conqueror, Triumph, Legend: Tenacity, Last Stand, Second Wind, and Revitalize runes from the Precision and Resolve rune sets. Out of all the rune builds players used for Mordekaiser vs Sion fights, this combination of runes yielded the best win rate. Notably, these runes provided a 54.4% win rate overall.
If you need to view Mordekaiser versus Sion tips and matchup stats and build suggestions for a a particular player tier, feel free to choose one from the selection menu provided above. At first, the stats and build suggestions given are computed using all matches played with these champs.