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Game patch 26.20Data Dragon 16.20.1

Reference patch 16.20.1

Senna Bot · Normal Draft

Senna has an established Bot carry plan that can scale through shared-lane farm and work with a Support partner.

Established roleStandard Summoner's Rift preparation
Champion overview
Historical referenceRecommendation review pending

These patches track recommendation review, build validation and item lookup separately. Updating item data does not complete a build review.

Recommendation patch
16.16 Data Dragon
Build validation patch
16.19.1 Data Dragon
Item lookup patch
16.20.1 Data Dragon

Normal Draft · Bot

Evidence-supported Senna Bot

Follow the completed-item order as a pre-game reference. Components and owned items do not create extra inventory slots.

Established role
S
Draft / Ranked opening · separate from item 1

Doran's Helm

450 gold

This is the most-supported Draft/Ranked starting item in the frozen prior-patch public role snapshot. Compare its durability, sustain and damage trade-off before leaving base.

1
First item

Statikk Shiv

3,000 gold

This item is part of the most-supported coherent core in the frozen prior-patch public role snapshot. Treat the sample as context, then adjust only for a clearly identified matchup problem.

2
Boots

Boots of Swiftness

1,000 gold

This is the most-supported Boots choice in the frozen prior-patch public role snapshot; change it when the opposing damage or crowd control calls for a different defence.

3
Core

Black Cleaver

3,000 gold

This item is part of the most-supported coherent core in the frozen prior-patch public role snapshot. Treat the sample as context, then adjust only for a clearly identified matchup problem.

4
Late

Hexoptics C44

2,800 gold

This item is part of the most-supported coherent core in the frozen prior-patch public role snapshot. Treat the sample as context, then adjust only for a clearly identified matchup problem.

5
Flexible

Infinity Edge

3,500 gold

Keeps a reviewed late option after the prior-patch cross-check; move or replace it only when its stated match problem is present.

6
Late sustain

Bloodthirster

3,400 gold

Completes the six-item inventory with high attack damage and sustain for extended late fights.

Complete build choices

Choose the route before play

Recommendation review pending

AlternativeThey burst meGuardian Angel protects a completed damage core from one decisive death.View full route

Best when: Guardian Angel protects a completed damage core from one decisive death.

  1. First itemStatikk Shiv
  2. BootsBoots of Swiftness
  3. CoreBlack Cleaver
  4. LateHexoptics C44
  5. Guardian Angel
  6. Late sustainBloodthirster
AlternativeMagic damage reaches meWit's End adds magic resistance without giving up attack speed.View full route

Best when: Wit's End adds magic resistance without giving up attack speed.

  1. First itemStatikk Shiv
  2. BootsBoots of Swiftness
  3. CoreBlack Cleaver
  4. Wit's End
  5. FlexibleInfinity Edge
  6. Late sustainBloodthirster

Complete build comparison

Complete build comparison

Recommendation review pending

Build review neededEvidence-supported Senna BotRecommendation review pendingView full route

Recommendation review pending

  1. First itemStatikk Shiv
  2. BootsBoots of Swiftness
  3. CoreBlack Cleaver
  4. LateHexoptics C44
  5. FlexibleInfinity Edge
  6. Late sustainBloodthirster
AlternativeThey burst meGuardian Angel protects a completed damage core from one decisive death.View full route

Best when: Guardian Angel protects a completed damage core from one decisive death.

  1. First itemStatikk Shiv
  2. BootsBoots of Swiftness
  3. CoreBlack Cleaver
  4. LateHexoptics C44
  5. Guardian Angel
  6. Late sustainBloodthirster
AlternativeMagic damage reaches meWit's End adds magic resistance without giving up attack speed.View full route

Best when: Wit's End adds magic resistance without giving up attack speed.

  1. First itemStatikk Shiv
  2. BootsBoots of Swiftness
  3. CoreBlack Cleaver
  4. Wit's End
  5. FlexibleInfinity Edge
  6. Late sustainBloodthirster

Runes and summoner spells

Runes and summoner spellsSennaBot

Fleet supports measured lane trades and spacing for a carry whose attacks do not follow a generic high-attack-speed pattern.

Normal Draft
Primary tree

Precision

Fleet FootworkPresence of MindLegend: BloodlineCut Down
Secondary tree

Sorcery

CelerityGathering Storm
Summoner spells
FlashBarrier
Coordinate the Support

Avoid duplicating the same defensive spell without a reason. Barrier protects the user; Heal can protect both nearby lane partners.

Cleanse is specific

Choose Cleanse only when removable crowd control is the lane or fight problem and you can use it reliably.

Static alternatives

Compare the problem before changing the plan

These choices are not selected from live scores. Use one only after you identify the stated match problem yourself.

They burst me

Guardian Angel

Guardian Angel protects a completed damage core from one decisive death.

Magic damage reaches me

Wit's End

Wit's End adds magic resistance without giving up attack speed.

Kit reference

Senna abilities

Ability names, descriptions and numeric fields come from Riot Data Dragon. Practical reads are independently written; the current in-game tooltip remains authoritative.

Abilities Data Dragon 16.20.1Cooldown / Cost / Range Data Dragon 16.20.1
P
Passive

Absolution

What it doesWhen 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.

Practical readAbsolution is an automatic part of the kit involving damage. Track when its condition is active instead of treating every fight the same way.

Q
Q ability

Piercing Darkness

What it doesFrom the twin barrels of her Relic Cannon, Senna fires a unified beam of light and shadow through a target, healing allies and damaging enemies.

Practical readPiercing Darkness is a ranged cast involving protection or sustain. Respect its line or target area, and avoid spending it when the opponent can simply step away before the important exchange.

Cooldown15 secCost70/80/90/100/110Listed range600 units
Protection

The protection or sustain is part of the cast's value. Compare its timing with incoming damage rather than reading only the offensive effect.

W
W ability

Last Embrace

What it doesSenna 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.

Practical readLast Embrace is part of Senna's W pattern. Read its listed effect first, then track the cooldown and condition that make the next use valuable.

Cooldown11 secCost50/55/60/65/70Listed range1250 units
E
E ability

Curse of the Black Mist

What it doesSenna 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.

Practical readCurse of the Black Mist is part of Senna's E pattern. Read its listed effect first, then track the cooldown and condition that make the next use valuable.

Cooldown26/24.5/23/21.5/20 secCost70Listed range400 units
R
Ultimate

Dawning Shadow

What it doesSenna 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.

Practical readDawning Shadow is a ranged cast involving its listed effect. Respect its line or target area, and avoid spending it when the opponent can simply step away before the important exchange.

Cooldown140/120/100 secCost100Listed range25000 units
Protection

The protection or sustain is part of the cast's value. Compare its timing with incoming damage rather than reading only the offensive effect.

Adapt the plan

What to do when the game changes

Judge the whole lane or map state, not only personal kills. Choose the situation closest to the current game.

Even plan

Prioritise farm, spacing and coordination with Support

1
Lane

Match the opposing carry's income and trade when both lane partners can participate.

2
Map play

Finish the wave before rotating unless the fight is immediate and clearly reachable.

3
Fights

Stand behind allied control and build damage on reachable targets before stepping toward the back line.

Pings, movement and objectives

Senna Bot map plan

Protect income and coordinate with Support. Your movement should follow the wave, while your pings make target choice and danger clear before the fight begins.

Ahead

Carry the lead into the next safe fight

Ping
Use Target on the reachable opponent, Danger when Support or Jungle is too far away, and On My Way after the wave is secured.
Farm or rotate
Finish the wave, recall on the item timing and rotate with protection. Do not cross river alone to save a few seconds.
Objective
Attack from the safe side of the objective and keep damaging the nearest reachable threat. Preserving the shutdown matters more than chasing.
Even

Build the item timing and move together

Ping
Use Target to align with Support, Enemy Missing when either Bot opponent leaves and Danger if an engage begins outside your safe range.
Farm or rotate
Rotate after the wave or when the objective fight is immediate and reachable. Communicate if staying for the wave is the safer call.
Objective
Enter behind vision and allied control. Keep a route away from the enemy engage before starting sustained damage.
Behind

Shorten exposure and recover guaranteed gold

Ping
Use Retreat before Support or Jungle forces a fight you cannot damage, and Enemy Missing as soon as the winning Bot lane leaves.
Farm or rotate
Avoid being first into river. Move with Support after the safe wave, or trade an unsafe objective for protected farm.
Objective
Stand beside peel and attack whoever enters safe range. Do not cross enemy control to reach the opposing carry.
Objective setup

Four calls, in order

Pings create a shared plan; they do not replace checking waves, vision and who can move.

  1. 1
    Secure the wave

    Finish safe farm and communicate the recall or move before the objective setup begins.

  2. 2
    Enter protected

    Walk with Support or another ally and choose the side where enemy engage cannot reach you first.

  3. 3
    Set attack space

    Keep an exit route and identify the nearest target you can damage without crossing enemy control.

  4. 4
    Stay alive

    Continue useful damage without chasing away from the objective or donating a shutdown.

Later objectives: Repeat the same process around later major objectives: handle nearby income, communicate the route, enter through vision and agree on the fight before committing.

Use the guide

Put Senna into a real matchup

Compare a specific opponent, return to the champion overview, or choose another champion without losing the queue distinction.

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