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.
Picking up goo chunks is very important to staying alive.
When Cell Division is ready, try to die in a position that makes it difficult for the enemy team to kill your bloblets.
Charging Elastic Slingshot from the fog of war will give opponents less time to react.
The Sion Zac synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Zac, compared to his overall stats. Significant differences are areas of focus that highlight how his gameplay changes when paired with this other champion.
Overall, Sion sees a very large drop in his KDA (ratio of kills and assists to deaths) when paired with Zac. His KDA decreased from NaN to NaN. This drop shows that Zac helps Sion perform not as well in competitive League of Legends matches. Yet, the small difference proves that this performance change is only marginal.
When Sion plays on the same team as Zac, he sees a marginal improvement in his total damage output. This difference may signal that Zac supports by providing protection for him to deal more damage or that his presence on the team also helps increase the game's duration. Similarly, when Sion is played alongside Zac on the same team, he usually scores many fewer killing sprees than when he plays alone. This is contrasting evidence that he is worse when playing with Zac.
Moreover, when Sion plays with Zac on the same side, he often takes a little more damage than when he fights alone. Receiving more damage may indicate that Zac does a poor job of covering Sion during teamfights.
There is no top ally for Sion that will no matter what be his #1 synergy. Yet, Zac is a good ally for Sion. By locking into the same team as Sion, he increases their win rate by 2.3% to 52.5%. This proves that there is a good synergy between Sion and Zac that allows them to perform better together than alone.
Zac has a greater difficulty than Sion. That means you should be careful when finding Zac teammates to play with, as they will need a greater level of skill to play well with you.
Playing alongside, you should observe an overall large increase in your team’s capacity to soak up damage. Combined, these two will be able to tank for the rest of their team.
Conversely, by aligning Sion and Zac together, you will not be giving your side a great deal of AD. Make sure to pick other champions on your team that offsets this relative hole in this pairing's abilities.
Regardless of your Zac ally's ability, you should focus on maximizing your gold income, warding to avoid ambushes, and clearing objectives. If you do this, you should do well anyway.
If you would like to truly master Sion in order to work well with Zac during both the laning and mid / late game phases of League games, you should continue reading to master some more tips and tricks for this champion pairing. If you listen to the build and tips shown above, you should increase your win rate significantly.
The best items to include in your Sion and Zac synergy build include Unending Despair, Sunfire Aegis, and Thornmail. When Sion included at least these three pieces in his build, he did a lot better when fighting alongside Zac than with many other typical builds. In fact, Sion boasted an average win rate of 52.5% when synergizing his build and playstyle to Zac with these items in his kit.
To have the highest chance of crushing your oponents, you should equip the Grasp of the Undying, Demolish, Conditioning, Overgrowth, Approach Velocity, and Minion Dematerializer runes from the Resolve and Inspiration rune sets. Out of all the rune sets players chose for this team composition, this order of runes resulted in the greatest win rate. Notably, these runes averaged a 52.5% winrate overall.
If you would like to get Sion with Zac cooperations tips and stats for a a specific player tier, please select one from the selection menu above. If viewing for the first time, the stats and build suggestions given are calculated using every game with data with both champions.