Janna is an excellent support who can shield teammates and increase a teammate's damage with Eye of the Storm .
Monsoon pushes enemy champions back and provides your team an opportunity to escape if a teamfight is not going well.
Q: Should I build Janna with lots of AP?
A: Janna is a very strong support that is able to provide both crowd control as well as great ally buffs. It's usually best to stick with support items for your Janna build that synergize well with her shield and heal than trying to do much damage with Janna herself.
Q: Can Janna shield towers?
A: Yes Janna can shield towers. Janna is the only champion in the game that can assist towers as well as <a class="text-link" href="/champion/">other LoL champions</span>. This allows her carry ally to back more freely since she can prevent a lot of early turret poke damage.
LoL Janna players will find her to be a dynamic champion to build out properly. You'll notice that her build is modified when she is fighting either well-rounded or homogenous team compositions, demonstrating you should not choose the same Janna build every game of League of Legends
The most critical items to incorporate into your champion's build are: Moonstone Renewer, Redemption, and Ardent Censer. Those who included these items in their gear had a much higher winrate than players who tried for other item builds for Janna. Likewise, if you are battling a well-mixed enemy team composition, you should really consider grabbing her the Inspiration, and Resolve runes. In recent games, she won the largest fraction of her games when using these runes.
We came up with our Janna build guidance by analyzing 55,213 recently ranked LoL matches with her in them. We only propose the top winrate Janna builds that were used by ranked LoL players enough times for us to suggest them. With so many rounds in our data, we are confident in our recommended builds.