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Senna
Champion Guide

Senna Guide

Support

Senna is a ranged, infinitely scaling support who collects souls to grow stronger. Absolution lets her collect Mist from souls that drop near her, giving her attack damage, attack range and critical strike chance, and her slow, heavy attacks deal bonus damage. Piercing Darkness fires a beam that heals allies and damages enemies, Last Embrace roots the target and everything near it after a short delay, Curse of the Black Mist camouflages her and nearby allies and speeds them up, and Dawning Shadow fires a global beam that shields allies and damages enemies. She beats most enchanters and can carry games on her own.

Recommended Setup

Our recommended Senna build

Our recommended runes, summoner spells and items. Compare build win rates on the stats page.

Items

Starting Items

Item 3865
Item 2003

Core Items

Item 3071
Item 3094
Item 2523

Situational Items

Item 3123
Item 3031
Item 3814
Item 6695

Start World Atlas and a Health Potion. The core build is Black Cleaver, Rapid Firecannon and Hexoptics C44, with Executioner's Calling, Infinity Edge, Edge of Night and Serpent's Fang as flex items. Always prioritize anti-heal or anti-shield items when needed, replacing an item of the build with them, unless teammates such as damage-over-time mages or melee champions can build them more efficiently. An enchanter Senna build suits front-to-back games with a lot of frontline, and Grasp of the Undying is a sturdier keystone into lanes where you are countered, since Piercing Darkness procs it from a safe distance. Run Fleet Footwork with Presence of Mind, Legend: Alacrity and Cut Down, plus Magical Footwear and Jack of all Trades; Summon Aery is an alternative for more consistent damage and shields. Take Flash with Heal. Max Q, then W, then E.

Runes

Primary Tree
Press the Attack
Lethal Tempo
Fleet Footwork
Conqueror
Absorb Life
Triumph
Presence of Mind
Legend: Alacrity
Legend: Haste
Legend: Bloodline
Coup de Grace
Cut Down
Last Stand
Secondary Tree
Hextech Flashtraption
Magical Footwear
Cash Back
Triple Tonic
Time Warp Tonic
Biscuit Delivery
Cosmic Insight
Approach Velocity
Jack Of All Trades

Summoner Spells

Flash
+
Heal

Skill Max Order

Piercing Darkness Q
Last Embrace W
Curse of the Black Mist E

Strengths

  • Counters most enchanters in lane with damage and healing from Piercing Darkness.
  • Infinite scaling through souls, and a global ultimate that gives her map presence.
  • A unique support who can solo carry games.

Weaknesses

  • Struggles badly against hook champions and engage supports.
  • No strong peeling abilities and very squishy.
  • Not blind pickable, since she has a lot of hard counters.

Laning Phase

Pick Senna into lanes with little kill pressure. Against enchanters she wins trades because Piercing Darkness damages and heals: walk up when it is ready and do not waste it healing your ADC unless they are very low. Trade with an attack, Piercing Darkness and another attack to cancel animations, look for Piercing Darkness snipes through minions or wards, and grab souls before they drift away. Against hook champions, her worst matchups, play very safe and only trade when they miss their abilities; getting out of lane even is enough because you outscale them.

Mid & Late Game

After the bot tower falls and you swap to mid, secure the mid wave, then move with your jungler: every camp drops a soul, so helping clear camps and rotating between lanes grows your souls quickly and raises your jungler's tempo. Use Curse of the Black Mist to reposition your team or escape, and Dawning Shadow to shield allies or finish enemies anywhere on the map. Position carefully in fights, since you have little peel when someone jumps on you.

Key Tips

  • Trade with attack, Piercing Darkness, attack rather than Piercing Darkness first to save time.
  • Use minions and wards to find angles for Piercing Darkness snipes.
  • Grab souls quickly in lane before they drift too far away.
  • Last Embrace takes a moment to root, so throw it early or after an enemy commits.
Matchups

Matchups and synergies

Our picks for difficult opponents, favorable lanes and strong allies. Compare matchup win rates on the stats page.