Karthus Mid Build

How these build statistics are calculated

Build, rune, and item statistics use patch-specific Ranked Solo/Duo aggregates filtered by region, rank scope, champion, and role.

Pick rate and win rate describe the observed sample, while counter and synergy metrics on the related pages use a separate rolling-window, role-adjusted model.

Read the full methodology for the data filters and interpretation guidance.

Karthus Mid ranked performance context

1. Karthus Mid performance profile - Karthus Mid profile: 2.01 KDA, 1278 damage per minute, 426 gold per minute, 6.6 CS per minute, 49.3% kill participation across 579 games. Use this alongside win rate and matchup data because raw performance stats can be role and composition dependent.

Karthus Mid item builds from ranked games

1. Starter items: Doran's Ring - Karthus Mid starter items appear in 125 games with 41.6% win rate and 21.5% build pick rate.
2. Starter items: Dark Seal - Karthus Mid starter items appear in 49 games with 49.0% win rate and 8.4% build pick rate.
3. Core items: Blackfire Torch + Rabadon's Deathcap + Shadowflame - Karthus Mid core items appear in 106 games with 56.6% win rate and 18.2% build pick rate.
4. Core items: Rabadon's Deathcap + Malignance + Shadowflame - Karthus Mid core items appear in 77 games with 58.4% win rate and 13.3% build pick rate.
5. Core items: Blackfire Torch + Shadowflame + Liandry's Torment - Karthus Mid core items appear in 77 games with 53.2% win rate and 13.3% build pick rate.
6. Boots: Spellslinger's Shoes - Karthus Mid boots appear in 459 games with 47.7% win rate and 79.0% build pick rate.
7. Boots: Crimson Lucidity - Karthus Mid boots appear in 34 games with 38.2% win rate and 5.9% build pick rate.

Karthus Mid rune pages from ranked games

1. Dark Harvest with Domination / Sorcery - Karthus Mid rune page uses Dark Harvest, Domination, and Sorcery in 165 games with 53.3% win rate and 28.4% rune pick rate.
2. First Strike with Inspiration / Sorcery - Karthus Mid rune page uses First Strike, Inspiration, and Sorcery in 40 games with 37.5% win rate and 6.9% rune pick rate.
3. Dark Harvest with Domination / Precision - Karthus Mid rune page uses Dark Harvest, Domination, and Precision in 36 games with 38.9% win rate and 6.2% rune pick rate.