LoL Janna players could find her to be a dynamic character to build out properly. You'll find that her build changes when she is playing against either generic or specialized team compositions, showing you should not follow the same Janna build every single round of League of Legends
The best items to incorporate into your champion's build include: Mondstein-Erneuerer, Befreiungsschlag, and Thymiaterion. Those who added these items in their setups had a much better winrate than players who worked towards other builds for Janna. Moreover, if you are trying to beat a mixed enemy team composition, you should really consider grabbing her the Inspiration, and Entschlossenheit runes. In recent matches, she won the largest fraction of her games when equipped with these runes.
We established our Janna build suggestions by analyzing 58.759 recently ranked League matches with her selected. We only propose the top winrate Janna builds that have been used by ranked League players enough times for us to propose them. With so many rounds in our dataset, we are confident in our suggested builds.