Senna is a Marksman that deals physical (AD) damage and brings root, slow. Their hard CC is tenacity-reducible, so Mercury's Treads and tenacity items shorten their lockdown. Below is Senna's highest-win-rate build from high-elo games; open the counter-build tool to tune it against your specific enemy team.
ABILITIES
PassiveAbsolution
When units die near Senna, their souls are periodically trapped by the Black Mist. Senna can attack these souls to free them, absorbing the Mist that held them in death. Mist fuels her Relic Cannon's power with increased Attack Damage, Attack Range, and Critical Strike Chance. Attacks from Senna's Relic Cannon take longer to fire, deal bonus damage, and briefly grant her a portion of her target's Move Speed.
QPiercing Darkness
From the twin barrels of her Relic Cannon, Senna fires a unified beam of light and shadow through a target, healing allies and damaging enemies.
WLast Embrace
Senna sends forth a wave of Black Mist. If it hits an enemy it latches onto them hungrily, rooting them and everything nearby after a brief delay.
ECurse of the Black Mist
Senna draws the Mist she has stored in her weapon into a storm around her, embracing darkness and becoming a wraith within. Allies who enter the area are camouflaged and also appear as wraiths as the Mist shrouds them. Wraiths gain increased Move Speed, are unselectable, and hide their identities.
RDawning Shadow
Senna calls upon the relic stones of fallen Sentinels, splitting her relic cannon into a holy array of shadow and light. She then fires a global beam that shields allies from harm, while damaging enemies caught in the center.
COMBAT PROFILE
Attack7
Defense2
Magic6
Difficulty7
CROWD CONTROL
Roottenacity helpsFROMW Last EmbraceSlowignores tenacityFROMQ Piercing Darkness
Hover a crowd-control type to see which ability it comes from.
HIGHEST WIN-RATE BUILD
SKILL PRIORITY
Piercing Darkness (Q)From the twin barrels of her Relic Cannon, Senna fires a unified beam of light and shadow through a target, healing allies and damaging enemies.Q→Last Embrace (W)Senna sends forth a wave of Black Mist. If it hits an enemy it latches onto them hungrily, rooting them and everything nearby after a brief delay.W
50.8% WR6,813 matches
SKILL PATH leveling order
Piercing Darkness (Q)From the twin barrels of her Relic Cannon, Senna fires a unified beam of light and shadow through a target, healing allies and damaging enemies.QPiercing Darkness
1
4
5
7
9
Last Embrace (W)Senna sends forth a wave of Black Mist. If it hits an enemy it latches onto them hungrily, rooting them and everything nearby after a brief delay.WLast Embrace
2
8
10
12
13
Curse of the Black Mist (E)Senna draws the Mist she has stored in her weapon into a storm around her, embracing darkness and becoming a wraith within. Allies who enter the area are camouflaged and also appear as wraiths as the Mist shrouds them. Wraiths gain increased Move Speed, are unselectable, and hide their identities.ECurse of the Black Mist
3
14
15
17
18
Dawning Shadow (R)Senna calls upon the relic stones of fallen Sentinels, splitting her relic cannon into a holy array of shadow and light. She then fires a global beam that shields allies from harm, while damaging enemies caught in the center.RDawning Shadow
6
11
16
Deathfire Touch keystone
Sorcery
Summon Aery
Arcane Comet
Stormraider's Surge
Deathfire Touch
Axiom Arcanist
Manaflow Band
Nimbus Cloak
Transcendence
Celerity
Absolute Focus
Scorch
Waterwalking
Gathering Storm
Inspiration
Glacial Augment
Unsealed Spellbook
First Strike
Hextech Flashtraption
Magical Footwear
Cash Back
Triple Tonic
Time Warp Tonic
Biscuit Delivery
Cosmic Insight
Approach Velocity
Jack Of All Trades
SUMMONER SPELLS
BUILD PATH · win rate by item
STARTING
World AtlasCost: 400Health PotionConsume
Restores 120 Health over 15 seconds.Cost: 50
Best opening
BOOTS
Boots of Swiftness55 Move Speed
Fleetfooted
Reduce the effectiveness of Slows by 25%.Cost: 1000 · 700 to build
Most common
CORE
Dream Maker200 Health
75% Base Health Regen
75% Base Mana Regen
9 Gold Per 10 Seconds
Dream Maker
Healing or Shielding another ally blows Dream Bubbles to them for 3 seconds. Their next Attack deals bonus magic damage On-Hit and the next damage they take is reduced.Active (4 charges)
Places an Invisible Stealth Ward that grants vision.Cost: 400→Black Cleaver45 Attack Damage
400 Health
20 Ability Haste
Carve
Dealing physical damage to champions reduces the target's Armor by 6% for 6 seconds. (stacks 5 times).
Fervor
Dealing physical damage grants Move Speed for 2 seconds.Cost: 3000 · 225 to build
Build every game
2ND ITEM
Statikk Shiv45 Attack Damage
45 Ability Power
30% Attack Speed
4% Move Speed
Electrospark
Your Energized Attacks fire chain lightning, applying On-Hit effects and dealing magic damage to nearby targets.
Electroshock
Basic Attacks grant extra Energized stacks.Cost: 3000 · 625 to build49.1% WR560 games
What players go
3RD ITEM
Statikk Shiv45 Attack Damage
45 Ability Power
30% Attack Speed
4% Move Speed
Electrospark
Your Energized Attacks fire chain lightning, applying On-Hit effects and dealing magic damage to nearby targets.
Electroshock
Basic Attacks grant extra Energized stacks.Cost: 3000 · 625 to build55.2% WR2725 games
Rapid Firecannon35% Attack Speed
25% Critical Strike Chance
4% Move Speed
Sharpshooter
Your Energized Attack deals 40 bonus magic damage and gains 35% bonus Attack Range.Cost: 2650 · 850 to build51.2% WR1743 games
What players go
4TH ITEM
Rapid Firecannon35% Attack Speed
25% Critical Strike Chance
4% Move Speed
Sharpshooter
Your Energized Attack deals 40 bonus magic damage and gains 35% bonus Attack Range.Cost: 2650 · 850 to build56% WR1517 games
Infinity Edge75 Attack Damage
25% Critical Strike Chance
30% Critical Strike DamageCost: 3500 · 725 to build53.7% WR745 games
Hexoptics C4455 Attack Damage
25% Critical Strike Chance
Magnification
Deal up to 10% increased damage with Attacks, based on how far away the enemy is (max damage at 500 range).
Arcane Aim
When a champion that you damaged within 3 seconds dies, gain 100 additional attack range for 8 seconds.Cost: 2800 · 275 to build54.7% WR532 games
What players go
Based on 10562 games · 50.8% win rate · challenger+grandmaster+master+emerald-diamond+platinum-emerald · patch 16.18.1.
SKILL PRIORITY
Piercing Darkness (Q)From the twin barrels of her Relic Cannon, Senna fires a unified beam of light and shadow through a target, healing allies and damaging enemies.Q→Last Embrace (W)Senna sends forth a wave of Black Mist. If it hits an enemy it latches onto them hungrily, rooting them and everything nearby after a brief delay.W
52.2% WR4,156 matches
SKILL PATH leveling order
Piercing Darkness (Q)From the twin barrels of her Relic Cannon, Senna fires a unified beam of light and shadow through a target, healing allies and damaging enemies.QPiercing Darkness
1
4
5
7
9
Last Embrace (W)Senna sends forth a wave of Black Mist. If it hits an enemy it latches onto them hungrily, rooting them and everything nearby after a brief delay.WLast Embrace
2
8
10
12
13
Curse of the Black Mist (E)Senna draws the Mist she has stored in her weapon into a storm around her, embracing darkness and becoming a wraith within. Allies who enter the area are camouflaged and also appear as wraiths as the Mist shrouds them. Wraiths gain increased Move Speed, are unselectable, and hide their identities.ECurse of the Black Mist
3
14
15
17
18
Dawning Shadow (R)Senna calls upon the relic stones of fallen Sentinels, splitting her relic cannon into a holy array of shadow and light. She then fires a global beam that shields allies from harm, while damaging enemies caught in the center.RDawning Shadow
6
11
16
Deathfire Touch keystone
Sorcery
Summon Aery
Arcane Comet
Stormraider's Surge
Deathfire Touch
Axiom Arcanist
Manaflow Band
Nimbus Cloak
Transcendence
Celerity
Absolute Focus
Scorch
Waterwalking
Gathering Storm
Inspiration
Glacial Augment
Unsealed Spellbook
First Strike
Hextech Flashtraption
Magical Footwear
Cash Back
Triple Tonic
Time Warp Tonic
Biscuit Delivery
Cosmic Insight
Approach Velocity
Jack Of All Trades
SUMMONER SPELLS
BUILD PATH · win rate by item
STARTING
Doran's Helm150 Health
8 Armor
8 Magic Resist
Helping Hand
Attacks deal 5 bonus physical damage to minions.Cost: 450Health PotionConsume
Restores 120 Health over 15 seconds.Cost: 50
Best opening
BOOTS
Boots of Swiftness55 Move Speed
Fleetfooted
Reduce the effectiveness of Slows by 25%.Cost: 1000 · 700 to build
Most common
CORE
Statikk Shiv45 Attack Damage
45 Ability Power
30% Attack Speed
4% Move Speed
Electrospark
Your Energized Attacks fire chain lightning, applying On-Hit effects and dealing magic damage to nearby targets.
Electroshock
Basic Attacks grant extra Energized stacks.Cost: 3000 · 625 to build→Black Cleaver45 Attack Damage
400 Health
20 Ability Haste
Carve
Dealing physical damage to champions reduces the target's Armor by 6% for 6 seconds. (stacks 5 times).
Fervor
Dealing physical damage grants Move Speed for 2 seconds.Cost: 3000 · 225 to build
Build every game
3RD ITEM
Manamune35 Attack Damage
500 Mana
15 Ability Haste
Awe
Gain bonus Attack Damage.
Manaflow (8s, max 4 charges)
Landing Attacks and Abilities grants 3 max Mana (doubled vs. champions).
Transforms into Muramana at 360 max Mana.Cost: 2900 · 1100 to build58.2% WR170 games
What players go
4TH ITEM
Hexoptics C4455 Attack Damage
25% Critical Strike Chance
Magnification
Deal up to 10% increased damage with Attacks, based on how far away the enemy is (max damage at 500 range).
Arcane Aim
When a champion that you damaged within 3 seconds dies, gain 100 additional attack range for 8 seconds.Cost: 2800 · 275 to build57.5% WR1843 games
Manamune35 Attack Damage
500 Mana
15 Ability Haste
Awe
Gain bonus Attack Damage.
Manaflow (8s, max 4 charges)
Landing Attacks and Abilities grants 3 max Mana (doubled vs. champions).
Transforms into Muramana at 360 max Mana.Cost: 2900 · 1100 to build59.7% WR722 games
What players go
5TH ITEM
Infinity Edge75 Attack Damage
25% Critical Strike Chance
30% Critical Strike DamageCost: 3500 · 725 to build55.7% WR1015 games
Hexoptics C4455 Attack Damage
25% Critical Strike Chance
Magnification
Deal up to 10% increased damage with Attacks, based on how far away the enemy is (max damage at 500 range).
Arcane Aim
When a champion that you damaged within 3 seconds dies, gain 100 additional attack range for 8 seconds.Cost: 2800 · 275 to build62.3% WR496 games
Rapid Firecannon35% Attack Speed
25% Critical Strike Chance
4% Move Speed
Sharpshooter
Your Energized Attack deals 40 bonus magic damage and gains 35% bonus Attack Range.Cost: 2650 · 850 to build53.5% WR303 games
What players go
Based on 5810 games · 52.2% win rate · challenger+grandmaster+master+emerald-diamond+platinum-emerald · patch 16.18.1.
SKILL PRIORITY
Piercing Darkness (Q)From the twin barrels of her Relic Cannon, Senna fires a unified beam of light and shadow through a target, healing allies and damaging enemies.Q→Last Embrace (W)Senna sends forth a wave of Black Mist. If it hits an enemy it latches onto them hungrily, rooting them and everything nearby after a brief delay.W
57.6% WR18 matches
SKILL PATH leveling order
Piercing Darkness (Q)From the twin barrels of her Relic Cannon, Senna fires a unified beam of light and shadow through a target, healing allies and damaging enemies.QPiercing Darkness
1
4
5
7
9
Last Embrace (W)Senna sends forth a wave of Black Mist. If it hits an enemy it latches onto them hungrily, rooting them and everything nearby after a brief delay.WLast Embrace
2
8
10
12
13
Curse of the Black Mist (E)Senna draws the Mist she has stored in her weapon into a storm around her, embracing darkness and becoming a wraith within. Allies who enter the area are camouflaged and also appear as wraiths as the Mist shrouds them. Wraiths gain increased Move Speed, are unselectable, and hide their identities.ECurse of the Black Mist
3
14
15
17
18
Dawning Shadow (R)Senna calls upon the relic stones of fallen Sentinels, splitting her relic cannon into a holy array of shadow and light. She then fires a global beam that shields allies from harm, while damaging enemies caught in the center.RDawning Shadow
6
11
16
Fleet Footwork keystone
Precision
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
Resolve
Grasp of the Undying
Aftershock
Guardian
Demolish
Font of Life
Shield Bash
Conditioning
Second Wind
Bone Plating
Overgrowth
Revitalize
Unflinching
SUMMONER SPELLS
BUILD PATH · win rate by item
STARTING
Doran's Blade10 Attack Damage
80 Health
2.5% OmnivampCost: 450Health PotionConsume
Restores 120 Health over 15 seconds.Cost: 50
Best opening
BOOTS
Boots of Swiftness55 Move Speed
Fleetfooted
Reduce the effectiveness of Slows by 25%.Cost: 1000 · 700 to build
Most common
CORE
Statikk Shiv45 Attack Damage
45 Ability Power
30% Attack Speed
4% Move Speed
Electrospark
Your Energized Attacks fire chain lightning, applying On-Hit effects and dealing magic damage to nearby targets.
Electroshock
Basic Attacks grant extra Energized stacks.Cost: 3000 · 625 to build→Black Cleaver45 Attack Damage
400 Health
20 Ability Haste
Carve
Dealing physical damage to champions reduces the target's Armor by 6% for 6 seconds. (stacks 5 times).
Fervor
Dealing physical damage grants Move Speed for 2 seconds.Cost: 3000 · 225 to build
Build every game
Based on 99 games · 57.6% win rate · challenger+grandmaster+master+emerald-diamond+platinum-emerald · patch 16.18.1.