Kai'Sa ADC build for patch 16.11, generated from current-patch ranked Emerald+ games. Below: comp-aware build path, runes, top 10 bans for the matchup, and how Kai'Sa wins.
Kai'Sa is an AD carry in the adc, and on patch 16.11 they grade out as a strong pick — a 50.5% win rate, 12.6% pick rate, 146,395 ranked games sampled. On the power curve, Kai'Sa 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 Kai'Sa wins: grouped 5-v-5 teamfights, where Kai'Sa tips the fight. The kit grades 7/10 teamfighting. Kai'Sa's soft spots are engage and disengage (1/10, 1/10) — avoid fights that hinge on them.
The most-played core build is Kraken Slayer, Guinsoo's Rageblade, Dusk and Dawn, which holds a 52.4% win rate across 12,372 games this patch. Pick the enemy team to adapt each item slot to the specific matchup.
The matchup to respect is Riven, where Kai'Sa sits at just 40.6%, the lane swings the other way into Ezreal (62.9%), and on the team side, Kai'Sa gains the most from a Jhin (+11.3% pair win rate).
Kai'Sa's highest-volume core items and rune page this patch. Select the enemy composition above and the build re-optimizes for that exact matchup.
Champions that beat Kai'Sa ADC the most this patch, anywhere on the enemy team. Top ban targets.
Who Kai'Sa ADC wants on the team: partners with the biggest positive swing on Kai'Sa's win rate this patch.
For full draft-time coaching with all 10 picks, use the Team Builder. To see Kai'Sa's tier on this patch, see the Tier List.