If you stun an enemy with Shocking Orb, follow up with a guaranteed center hit on Eye of Destruction.
It's easier to land Arcanopulse on an enemy when they're moving toward or away from you, rather than side to side.
Eye of Destruction will make landing Arcanopulse easier as the target will be slowed.
Roar of the Slayer is a great setup ability to land a very powerful Decimating Smash.
The Soul Furnace buff displays how much shield strength is remaining, use this information to time its explosion perfectly.
You only have very slight turning ability during Unstoppable Onslaught, so make sure to use it in straight paths.
The Xerath Sion synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Sion, compared to his overall stats. Significant differences are areas of focus that highlight how his gameplay changes when paired with this other champion.
Overall, Xerath sees a very large drop in his KDA (ratio of kills and assists to deaths) when paired with Sion. His KDA decreased from NaN to NaN. This negative change shows that Sion helps Xerath perform worse in ranked League of Legends matches. Yet, the small difference demonstrates that this performance change is only marginal.
When Xerath tries to synergize with Sion, he sees a marginal improvement in his complete damage output. This difference may indicate that Sion helps provide cover for him to deal more damage or that his presence also helps extend the match's duration. Similarly, when Xerath is played with Sion on the same team, he usually scores many fewer killing sprees than when he plays without Sion. This is contrasting evidence that he is worse when playing alongside Sion.
Additionally, when Xerath plays with Sion on the same side, he on average takes more damage than when he plays alone. Getting dealt more damage may indicate that Sion does a poor job of protecting Xerath during team fights.
There is no ideal ally for Xerath that will 100% of the time be his best ally. Yet, overall, Sion is a very typical ally for Xerath. By being on the same team as Xerath, he raises their win rate by 0.1% to 50.7%. This proves that there is a weak bond between Xerath and Sion that allows them to perform better together than alone.
Sion has a much lower diffuclty than Xerath. That means you don't need to be cautious when lining up Sion teammates to go into battle on the same side as, as they will need a much lower level of skill to cooperate well with you.
When playing on the same side, Xerath players will likely see an overall large increase in your team’s ability to to do a lot of AP damage. When paired, these champs can deal quite a lot of AP type damage.
In contrast, by bringing Xerath and Sion together, you may not be providing your other allies a lot of sustained damage output. Plan to bring other champions on your team that nullifies this hole in their playstyle.
Regardless of your Sion ally's skill level, you should focus on increasing your income, outlasting your enemies, and taking down objectives. If you do this, you should do well anyway.
To truly master Xerath in order to synergize with Sion during both the laning and mid / late game phases of LoL, you should keep reading to pick up additional tricks and insights into this champion pairing. If you pay attention to the build and suggestions presented here, you will grow your win rate significantly.
The top items to include in your Xerath and Sion synergy build consist of Horizon Focus, Shadowflame, and Stormsurge. When Xerath bought at least these three items in his build, he did significantly better when fighting alongside Sion than with many other common item sets. In fact, Xerath had an average win rate of 50.7% when playing alongside Sion with these items in his kit.
To have the best chance of vanquishing your oponents, Xerath players should take the First Strike, Magical Footwear, Biscuit Delivery, Cosmic Insight, Manaflow Band, and Scorch runes from the Inspiration and Sorcery rune sets. Out of all the rune sets players chose for this champion pairing, this combo of runes resulted in the top win rate. In fact, these runes provided a 50.7% winrate overall.
By default, tips, stats, and builds on how to pair Sion with Xerath are shown for every ranked division. If you would like to scope the stats and builds to a particular player tier, you may use the selection menu located earlier in the counter matchup guide.