Stackosaurus Rex
Silvertaken in 4.60% of games

Senna, the Redeemer, is a ranged support and marksman champion. In fights Senna is a fragile champion who deals physical damage while supporting the team, with healing and shields in the kit. Here are the augments to take, the ones to skip and the items players finish with on patch 26.20.
Win rate and tier from 847 games on patch 26.20. See the full tier list
taken in 4.60% of games
Attacks fire a bolt that applies On-Hit effects at reduced strength. Gain total Attack Speed.
taken in 8.62% of games
Your Abilities apply On-Hit effects. 1 second Cooldown per target.
AIn game, Hexgate puts a tier like these under every augment card you are offered, ranked for Senna.
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Infinity Edge, in 68.2% of games
Statikk Shiv, in 51.5% of games
The Collector, in 48.5% of gamesFrom 847 Senna games on patch 26.20 and the patch 26.20 augment data.
Stay at the back of your team and collect the souls that drop around you, since the Mist they give raises your damage, range and crit chance as the game goes on. Land Last Embrace (W) on the enemy frontline to root clumped enemies, and fire Dawning Shadow (R) down the lane to shield allies and hit enemies. Infinity Edge and Scoped Weapons push you toward a long-range crit carry.
Take these whenever they are offered.
Reliable choices for this champion.
Solid options when the cards above do not show up.
How often each augment was taken in 847 Senna games on patch 26.20. A pick rate shows what players choose when the card is offered, not what wins.
The items Senna players finished with most often, from 847 ARAM Mayhem games on patch 26.20. Augments change what is worth buying, and so does the enemy team.
Infinity Edge, in 68.2% of games
Statikk Shiv, in 51.5% of games
The Collector, in 48.5% of games
Rapid Firecannon, in 45.5% of games
Blade of The Ruined King, in 41.3% of games
Black Cleaver, in 27.2% of gamesOn patch 26.20 the top picks for Senna include Stackosaurus Rex.
The items Senna players finish with most often are Infinity Edge, Statikk Shiv, The Collector. Adapt the rest of the build to the enemy team.
ARAM Mayhem tier list · All champions in ARAM Mayhem · How to pick ARAM Mayhem augments · ARAM Mayhem overlays compared · Senna Arena build
Pick rates (China servers) and augment combos: arammayhem.com (CC BY 4.0), reformatted. Hexgate is not endorsed by Riot Games.