Lay Waste is very strong at farming minions and harassing enemy champions.
Ask your allies to help point out when you should use Requiem to get kills in different lanes.
Your ultimate deals significantly less damage to enemies with full health. Look to pick off weakened targets as they run away.
Deadly Flourish has incredible range. When approaching a fight be sure to look ahead for enemies that could be rooted.
You can still cast your spells while reloading. Use them to fill the down time.
The Karthus Jhin synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Jhin, compared to his overall stats. Significant differences are areas of focus that highlight how his gameplay changes when paired with this other champion.
Overall, Karthus sees a large worsening in his KDA (ratio of kills and assists to deaths) when paired with Jhin. His KDA worsened from NaN to NaN. This fall shows that Jhin helps Karthus perform worse in ranked LoL matches. Yet, the small difference demonstrates that this performance change is only marginal.
When Karthus tries to synergize with Jhin, he sees a small increase in his full damage dealt. This change may demonstrate that Jhin helps provide cover for him to dish out more damage or that his presence also helps increase the round's duration. Similarly, when Karthus is played alongside Jhin on the same team, he usually scores many fewer killing sprees compared to when he plays on his own. This is contrasting evidence that he is worse when playing synergisticly with Jhin.
Moreover, when Karthus plays with Jhin on the same team, he usually takes more damage than when he plays alone. Receiving more damage could mean that Jhin does a poor job of covering Karthus during team fights.
There is no top ally for Karthus that will no matter what be his best ally. However, Jhin is a very typical companion for Karthus. By locking into the same team as Karthus, he lowers their win rate by -0.5% to 46.8%. This proves that there is not really a strong strategic relationship between Karthus and Jhin that allows them to perform not as well together than without each other.
Jhin has a lower difficulty than Karthus. That means Karthus players don't need to be cautious when finding Jhin comrades to fight alongside, as they will need a relatively low level of skill to be able to cooperate well with you.
Playing on the same side, Karthus players will likely observe an overall large increase in your team’s capacity to to do a lot of AP damage. When paired, these champs can blast through enemies with magic damage.
Although, by bringing Karthus and Jhin together, you may not be giving your other teammates a lot of engage. We recommend you have other champions on your team that nullifies this gap in this pairing's kit.
Regardless of your Jhin ally's skill level, you need to focus on maximizing your income, warding to avoid ambushes, and taking down objectives. If you do this, you will do well, regardless.
To learn all of the intricacies of Karthus to work well with Jhin during both the early game and mid / late game phases of League of Legends rounds, you should continue reading to pick up a few extra tips and tricks for this champion pairing. If you use the build and suggestions displayed above, you should grow your win rate significantly.
The most crucial items to have in your Karthus and Jhin synergy build include Rabadon's Deathcap, Void Staff, and Stormsurge. When Karthus used at least these three finished items in his build, he did significantly better when paired up with Jhin than with most other commonly used builds. In fact, Karthus had an average win rate of 46.8% helping carry Jhin with these items in his kit.
To have the greatest chance of vanquishing your oponents, you should take the First Strike, Magical Footwear, Future's Market, Cosmic Insight, Eyeball Collection, and Ultimate Hunter runes from the Inspiration and Domination rune sets. Out of all the runes players chose for Karthus and Jhin pairings, this blending of runes resulted in the top win rate. In fact, these runes provided a 46.8% win rate overall.
If you want to view Karthus and Jhin cooperations tips and stats for a a specific division, feel free to choose one from the selection menu shown above. If viewing for the first time, the stats and tips and suggestions displayed are computed using every match with data with both champs.