League of Legends Kai'Sa players will likely find her to be a difficult champ to build out properly. You will notice that her build is modified when she is fighting either diversified or homogenous team comps, demonstrating you should not follow the same Kai'Sa build every game of League of Legends
The most critical items to incorporate into your champion's build include: Navori Quickblades, Phantom Dancer, and The Collector. Players who included these items in their gear had a significantly better winrate than those who went for other Kai'Sa builds. Moreover, if you are playing a well-mixed enemy team arrangement, you should really consider grabbing yourself the Domination, and Precision runes. In recent games, she won the greatest fraction of her games when using these runes.
We calculated our Kai'Sa build recommendations by examining 325,819 recently ranked League games with her in them. We only advise the top winrate Kai'Sa builds that have been used by ranked League players enough times for us to suggest them. With so many matches in our data, we are confident in our suggested builds.