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Everything for Karthus ADC on patch 16.17, pulled from real Emerald+ ranked games — the build path, rune pages, the counters worth banning, the strongest teammates, and Karthus's win conditions.
Karthus is an AP mage in the adc, and on patch 16.17 they grade out as a strong pick — a 54.0% win rate, 0.5% pick rate, 6,318 ranked games sampled. On the power curve, Karthus is a scaling champion: comparatively weak early, but one of the strongest picks on the map once core items come online — so the plan is to survive the laning phase and take the game over late.
How Karthus wins: winning the wave and turning push priority into map control, and grouped 5-v-5 teamfights, where Karthus tips the fight. The kit grades 10/10 waveclear, 9/10 teamfighting. Play around where Karthus is thin, disengage and engage (3/10, 2/10), and the enemy loses their angle.
The most-played core build is Blackfire Torch, Shadowflame, Rabadon's Deathcap, which holds a 53.2% win rate across 571 games this patch. Item order and defensive swaps update against whichever enemy comp you select.
The matchup to respect is Nasus, where Karthus sits at just 47.1%, the lane swings the other way into Leona (62.1%), and on the team side, Karthus gains the most from a Naafiri (+9.3% pair win rate).
Most-played core build and runes for Karthus ADC this patch, from Emerald+ ranked games. Pick the enemy team at the top of the page for a comp-specific build.
The picks Karthus ADC struggles into most this patch, sorted by your in-matchup win rate. These are your priority bans.
Who Karthus ADC wants on the team: partners with the biggest positive swing on Karthus's win rate this patch.
Best Top partners for Karthus
Best Jungle partners for Karthus
Best Mid partners for KarthusKarthus is also played in these other roles this patch.
For full draft-time coaching with all 10 picks, use the Team Builder. To see Karthus's tier on this patch, see the Tier List.
