Olaf can combine Berserker Rage, Vicious Strikes, and Ragnarok at low life to become deceptively strong.
The bonus healing granted by Vicious Strikes amplifies your Life Steal from all sources as well as heals from allies.
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 Olaf 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, Olaf sees a large worsening in his KDA (ratio of kills and assists to deaths) when paired with Karthus. His KDA fell from NaN to NaN. This decrease shows that Karthus helps Olaf perform poorer in competitive LoL matches. Yet, the small difference proves that this performance change is not very impactful.
When Olaf is an ally to Karthus, he gets a little increase in his complete damage dealt. This difference may signal that Karthus provides cover for him to dish out more damage or that his presence also helps extend the round's duration. Similarly, when Olaf is played with Karthus on the same team, 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 Olaf plays with Karthus on the same team, he on average takes a little more damage than when he fights alone. Taking more damage may mean that Karthus does a poor job of protecting Olaf in team fights.
There is no top synergy for Olaf that will 100% of the time be his #1 ally. Yet, overall, Karthus is a very bad companion for Olaf. By locking into the same team as Olaf, he lowers their win rate by -3.2% to 45.8%. This shows that there is an easy to overcome and exploit strategic relationship between Olaf and Karthus that allows them to perform worse together than alone.
Karthus has a much greater difficulty compared to Olaf. That means Olaf players should be very careful when lining up Karthus comrades to fight alongside, as they will have to have a much greater level of skill to be able to fight well with you.
Playing on the same side, Olaf players should expect to see an overall large increase in your team’s capacity to deal magic damage. When paired, these champs are able to dish out a surprising amount of magic type damage.
Although, by grouping Olaf and Karthus together, you will not be providing your team enough cover. Plan to have other champions on your team that fills this relative gap in this pairing's capabilities.
Regardless of your Karthus ally's ability, you should focus on maximizing your gold income, warding to avoid ambushes, and clearing objectives. If you follow these simple suggestions, you should do well, regardless.
To learn all of the intricacies of Olaf in order to synergize with Karthus during both the early game and mid / late game phases of LoL games, you should continue reading to learn a few extra tips and tricks for this champion pairing. If you pay attention to the build and stats presented here, you will grow your win rate by a lot.
The ideal items to have in your Olaf and Karthus synergy build include Sterak's Gage, Experimental Hexplate, and Ravenous Hydra. When Olaf bought at least these three items in his build, he performed much better when fighting alongside Karthus than with most other typical builds. In fact, Olaf boasted an average win rate of 45.8% when synergizing his build and playstyle to Karthus with these items in his kit.
To have the best chance of coming out on top against your oponents, Olaf players should equip the Conqueror, Triumph, Legend: Alacrity, Last Stand, Approach Velocity, and Biscuit Delivery runes from the Precision and Inspiration rune sets. Out of all the rune builds players chose for Olaf and Karthus pairings, this blending of runes yielded the best win rate. Notably, these runes averaged a 45.8% win rate overall.
If you need to get Olaf with Karthus cooperations tips and builds for a a specific player tier, please select one from the selection menu provided above. By default, the stats and tips and suggestions shown are calculated using every match finished with both champions.