Dual Wield
PrismaticGain 20% total Attack Speed.
Each attack reduces the cooldown of Piercing Darkness (Q), so more Attack Speed lets you heal allies and slow enemies more often during fights.

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 Senna players take most, the Prismatic items worth grabbing and the core build on patch 26.20.
Gain 20% total Attack Speed.
Each attack reduces the cooldown of Piercing Darkness (Q), so more Attack Speed lets you heal allies and slow enemies more often during fights.
In game, Hexgate puts a badge under every augment card you are offered, with how often Senna players take it.
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Based on 20,782 Senna games in Arena on patch 26.20. Augments and items are ordered by how often Senna players take them; the bars compare each one with the most taken.
Augment offers come in Silver, Gold and Prismatic. These are the cards Senna players take most at each rarity, most taken first.
The Prismatic items Senna players pick most often from the offer, most picked first.
Boots to start, then the items Senna players build most often in Arena, most built first. Adapt the order to the lobby: every other team is an opponent.
Berserker's Greaves
Boots of Swiftness
Infinity Edge
Blade of The Ruined King
Mortal Reminder
The Collector
Lord Dominik's Regards
Sword of Blossoming DawnThe order Senna players level their abilities in most often: max Piercing Darkness (Q) first, then Last Embrace (W), and take Dawning Shadow (R) whenever you can.
| Level | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Q | Q | Q | Q | Q | Q | ||||||||||
| W | W | W | W | W | W | ||||||||||
| E | E | E | E | ||||||||||||
| R | R | R |
On patch 26.20 Senna players take Dual Wield, Fan the Hammer and Scopiest Weapons most often.
The Prismatic items Senna players pick most are Sword of the Divine, Diamond-Tipped Spear and Hamstringer.
Start with Berserker's Greaves, then the items Senna players build most: Infinity Edge, Blade of The Ruined King and Mortal Reminder. Adapt the rest to the lobby.
Max Piercing Darkness (Q) first, then Last Embrace (W), and level Dawning Shadow (R) whenever you can.
On patch 26.20 Senna is C tier in the Arena tier list: playable, but behind.
Arena tier list for all champions · Senna in ARAM Mayhem
Champion names, art, items and abilities: Riot Games Data Dragon. Augment names, art and text: the game files. Hexgate is not endorsed by Riot Games.