Position yourself next to walls to bait your enemies into getting stunned by your ultimate.
Know your strengths! Mini Gnar is fast, squishy, and has high sustained damage. Mega Gnar is slow, tough, and has high burst.
Managing your Rage is very important. Try to time out your transformations so you can get maximum benefit from both forms.
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.
The Gnar Karthus synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Karthus, compared to his overall stats. Significant differences are areas of focus that highlight how his gameplay changes when paired with this other champion.
Overall, Gnar sees a large worsening in his KDA (ratio of kills and assists to deaths) when paired with Karthus. His KDA decreased from NaN to NaN. This negative change shows that Karthus helps Gnar perform worse in competitive League of Legends games. Yet, the small difference proves that this performance change is not very impactful.
When Gnar is paired with Karthus, he gets a little increase in his full damage dealt. This may indicate that Karthus helps provide protection for him to deal more damage or that his support also helps extend the game's duration. Similarly, when Gnar is played with Karthus on the same side, he usually scores many fewer killing sprees than when he plays without Karthus. This is contrasting evidence that he is worse when playing with Karthus.
Additionally, when Gnar plays with Karthus on the same team, he typically takes more damage than when he plays alone. Getting dealt more damage could indicate that Karthus does a poor job of protecting Gnar in teamfights.
There is no one best companion for Gnar that will always be his #1 synergy. However, overall, Karthus is a relatively poor teammate for Gnar. By playing on the same side as Gnar, he drops their win rate by -2.8% to 45.2%. This proves that there is a bad strategic relationship between Gnar and Karthus that allows them to perform worse together than without each other.
Karthus has a lower difficulty than Gnar. That means Gnar players don't need to be very careful when arranging Karthus comrades to fight alongside, as they will require a relatively low level of skill to do well with you.
Working together, Gnar players should see an overall large increase in your team’s ability to deal magic damage. When paired, these champions can deal quite a lot of AP type damage.
Conversely, by pairing Gnar and Karthus together, you may not be granting your team a great deal of engage. We recommend you pick other champions on your team that offsets this hole in their kit.
Regardless of your Karthus ally's skill level, you need to focus on increasing your gold income, warding to avoid ambushes, and clearing objectives. If you do this, you should do well, regardless.
To truly master Gnar in order to synergize with Karthus during both the lane and mid / late game phases of League, you should continue reading to pick up a few extra tips and tricks for this champion pairing. If you mind the build and suggestions shown here, you will increase your win rate by a lot.
The best finished items to have in your Gnar and Karthus synergy build consist of Sterak's Gage, Black Cleaver, and Trinity Force. When Gnar included at least these three great items in his build, he performed significantly better when paired up with Karthus than with many other typical item sets. In fact, Gnar had an average winrate of 45.2% when synergizing his build and playstyle to Karthus with these items in his kit.
To have the greatest chance of beating your oponents, Gnar players should equip the Fleet Footwork, Triumph, Legend: Alacrity, Last Stand, Bone Plating, and Overgrowth runes from the Precision and Resolve rune sets. Out of all the rune combinations players chose for Gnar and Karthus pairings, this set of runes resulted in the top win rate. Moreover, these runes averaged a 45.2% win rate overall.
By default, tips, statistics, and builds on how to pair Karthus with Gnar are presented for all ranked divisions. To filter the stats and builds to a particular rank, you can use the selection menu located at the top of this page.