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Game patch 26.21Data Dragon 16.21.1

Reference patch 16.20.1

Yuumi Support · Ranked Flex

Yuumi has an established low-income Support plan with useful lane pressure, protection, engage or team utility.

Primary roleRanked Flex
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

Ranked Flex · Support

Bootless enchanter support

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

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

World Atlas

400 gold

Provides support income and wards.

1
Free quest choice

Dream Maker

400 gold

Completes the utility-focused support quest.

2
Healing core

Mikael's Blessing

2,300 gold

Cleanses removable crowd control from an ally.

3
Ally follow-up

Moonstone Renewer

2,200 gold

Improves repeated healing in longer fights.

4
Team recovery

Ardent Censer

2,200 gold

Adds attack speed and on-hit damage when the chosen attached carry can use both.

5
Cleanse option

Cosmic Drive

3,000 gold

Completes the six-item inventory with movement speed and ability haste for repeated late-game spell rotations.

6
Late utility

Rylai's Crystal Scepter

2,600 gold

Completes the six-item inventory with health and a slow for spellcasters who need repeated control.

Complete build choices

Choose the route before play

Recommendation review pending

AlternativeToo much healingApply anti-heal only when repeated healing is materially changing fights.View full route

Best when: Apply anti-heal only when repeated healing is materially changing fights.

  1. Free quest choiceDream Maker
  2. Healing coreMikael's Blessing
  3. Ally follow-upMoonstone Renewer
  4. Morellonomicon
  5. Cleanse optionCosmic Drive
  6. Late utilityRylai's Crystal Scepter
AlternativeTeam gets burstLocket gives nearby allies an immediate shield when enemy burst lands together.View full route

Best when: Locket gives nearby allies an immediate shield when enemy burst lands together.

  1. Free quest choiceDream Maker
  2. Healing coreMikael's Blessing
  3. Locket of the Iron Solari
  4. Team recoveryArdent Censer
  5. Cleanse optionCosmic Drive
  6. Late utilityRylai's Crystal Scepter
AlternativeCannot start fightsShurelya's movement speed helps the team engage or disengage when positioning is the problem.View full route

Best when: Shurelya's movement speed helps the team engage or disengage when positioning is the problem.

  1. Free quest choiceDream Maker
  2. Healing coreMikael's Blessing
  3. Ally follow-upMoonstone Renewer
  4. Shurelya's Battlesong
  5. Cleanse optionCosmic Drive
  6. Late utilityRylai's Crystal Scepter

Complete build comparison

Complete build comparison

Recommendation review pending

Build review neededBootless enchanter supportRecommendation review pendingView full route

Recommendation review pending

  1. Free quest choiceDream Maker
  2. Healing coreMikael's Blessing
  3. Ally follow-upMoonstone Renewer
  4. Team recoveryArdent Censer
  5. Cleanse optionCosmic Drive
  6. Late utilityRylai's Crystal Scepter
AlternativeToo much healingApply anti-heal only when repeated healing is materially changing fights.View full route

Best when: Apply anti-heal only when repeated healing is materially changing fights.

  1. Free quest choiceDream Maker
  2. Healing coreMikael's Blessing
  3. Ally follow-upMoonstone Renewer
  4. Morellonomicon
  5. Cleanse optionCosmic Drive
  6. Late utilityRylai's Crystal Scepter
AlternativeTeam gets burstLocket gives nearby allies an immediate shield when enemy burst lands together.View full route

Best when: Locket gives nearby allies an immediate shield when enemy burst lands together.

  1. Free quest choiceDream Maker
  2. Healing coreMikael's Blessing
  3. Locket of the Iron Solari
  4. Team recoveryArdent Censer
  5. Cleanse optionCosmic Drive
  6. Late utilityRylai's Crystal Scepter
AlternativeCannot start fightsShurelya's movement speed helps the team engage or disengage when positioning is the problem.View full route

Best when: Shurelya's movement speed helps the team engage or disengage when positioning is the problem.

  1. Free quest choiceDream Maker
  2. Healing coreMikael's Blessing
  3. Ally follow-upMoonstone Renewer
  4. Shurelya's Battlesong
  5. Cleanse optionCosmic Drive
  6. Late utilityRylai's Crystal Scepter

Recommendation review pending

Runes and summoner spells

Runes and summoner spellsYuumiSupport

Yuumi can follow her Bot partner through You and Me!, so this reviewed Support page uses Heal for the pair and Ignite for lane pressure instead of spending a slot on Teleport.

Ranked Flex
Primary tree

Sorcery

Summon AeryManaflow BandTranscendenceScorch
Secondary tree

Resolve

Bone PlatingRevitalize
Summoner spells
HealIgnite
Need anti-burst

Replace Ignite with Exhaust when one diver or short burst window is the clearer threat to Yuumi and her Bot partner.

Coordinate Heal

Tell the Bot partner that Yuumi is carrying Heal so the pair does not duplicate it without a reason.

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.

Only when enemy healing is deciding fights

Oblivion Orb

Oblivion Orb supplies healing reduction without committing to a completed Morellonomicon. Skip both when healing is not the problem or an ally already covers your target reliably. Healing reduction does not reduce shields.

Conditional component, not a core item. Complete Morellonomicon only when its stats and slot efficiency justify delaying another purchase.
Team gets burst

Locket of the Iron Solari

Locket gives nearby allies an immediate shield when enemy burst lands together.

Cannot start fights

Shurelya's Battlesong

Shurelya's movement speed helps the team engage or disengage when positioning is the problem.

Situational AP purchase

When should you buy anti-heal?

Buy healing reduction when enemy healing or regeneration is deciding fights and you can keep damaging the relevant target. Grievous Wounds reduces healing; it does not reduce shields, magic damage or crowd control.

Start with the component

Oblivion Orb can provide healing reduction without immediately paying for a completed Morellonomicon. Fit the component around your core damage, mana and survival needs; check the current queue's item tooltip.

Finish when it fits the fight

Complete Morellonomicon when its stats and slot efficiency suit your build. Do not treat it as a mandatory first item just because your champion deals magic damage.

Coordinate coverage

Multiple Grievous Wounds sources do not add their percentages together. Another reliable applier may cover the same target, but you may still need your own source for a separate fight or target.

Repeated spell damage and damage over time can maintain coverage more reliably than a single hit. Match the purchase to your actual spell access, enemy sustain and the teammates who can apply the debuff.

Will the fight last long enough?

If you die before dealing damage, you apply no healing reduction. If your target dies before healing, there is little healing to prevent. The debuff applies on qualifying damage immediately; it does not need to build up. It remains briefly after your last hit, so teammates can benefit even after you disengage.

Only healing during the active debuff counts. For example, 40% reduction prevents 80 of a 200-point heal, or 400 of a 1,000-point heal, before other modifiers. Compare that with the damage, penetration or survival you delayed; neither example guarantees a kill. Healing after the debuff expires is unaffected.

See the Oblivion Orb and Morellonomicon references for current effects and queue availability. These are situational decisions, not a measured best-build claim.

Kit reference

Yuumi 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 (s) / Cost / Listed range (units) Data Dragon 16.20.1
P
Passive

Feline Friendship

What it doesPeriodically, when Yuumi strikes a champion with an attack or ability, she restores health to herself and the next ally she Attaches to. While Attached, Yuumi generates a special bond with her allies. The ally with the strongest bond enhances Yuumi's abilities while she is Attached to them.

Q
Q ability

Prowling Projectile

What it doesYuumi fires a missile, dealing damage and slowing first target hit. It deals bonus damage and an enchanced slow if it takes at least 1.35 seconds to get to its target. While on her Best Friend, the slow is always enhanced and grants bonus On-Hit damage to her ally. While Attached, the missile can be controlled with your cursor for a brief period.

The exported range is not a verified gameplay distance. Check the current ability tooltip.

Cooldown (s)6.5Cost50/55/60/65/70/75
W
W ability

You and Me!

What it doesYuumi dashes to a target ally, becoming untargetable from everything except turrets. While on her Best Friend, she gains Heal & Shield Power and grants her Ally On-Hit healing.

The exported range is not a verified gameplay distance. Check the current ability tooltip.

E
E ability

Zoomies

What it doesShields Yuumi and boosts Move Speed and Attack Speed. If she's attached, she passes it to her ally instead.

The exported range is not a verified gameplay distance. Check the current ability tooltip.

Cooldown (s)10Cost80/90/100/110/120
R
Ultimate

Final Chapter

What it doesYuumi channels five waves that damage enemies and heal allies. Yuumi can move, attach, and cast Zoomies! while channeling. While on her Best Friend, this spell also follows her mouse.

Cooldown (s)120/110/100Cost100Listed range (units)1100

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

Balance lane pressure with protection for the carry

1
Lane

Hold the ability that makes opponents respect your lane and trade when both Bot-lane partners are ready.

2
Map play

Recall and move on safe wave timings; an unsupported roam can cost the carry an entire wave or a dive.

3
Fights

Control one approach and keep enough protection for the enemy's most likely engage.

Pings, movement and objectives

Yuumi Support map plan

Keep the carry connected to safe space. Signal danger early enough to prevent the fight, not after protection is already late.

Ahead

Make the lead open the map

Ping
Use On My Way before changing angle, then Assist Me on Dragon after Bot is safe to move. Use Danger if the carry starts following through an unsafe route.
Map movement
Roam after a pushed wave, shared recall or when the carry can collect safely. Deep wards still require the Jungler or another nearby ally.
Objective
Arrive early, clear the enemy entrance and hold the key engage or peel spell. Do not chase away from Dragon and hand the opponent a free route back in.
Even

Create one clear numbers advantage

Ping
Use On My Way before an engage or roam, Enemy Missing as soon as a lane opponent disappears, and Danger when your carry cannot follow.
Map movement
Leave only on a safe wave or recall timing. If the carry would lose a full wave or face a dive, stay Bot and communicate that you are not moving.
Objective
Help Bot finish the wave, then enter river with the Jungler. Set vision before starting and avoid turning an even objective into an unseen gamble.
Behind

Stop the next loss before seeking a play

Ping
Use Retreat or Danger before an ally enters darkness, Enemy Missing immediately, and Assist Me when you need company to restore defensive vision.
Map movement
Do not abandon a crashing wave or vulnerable carry. Move after the wave is stable and use the nearest safe ward line rather than forcing deep vision.
Objective
If your team cannot enter river safely, ping Retreat and trade for farm, vision or another map resource. Contest only after creating a safe route together.
Objective setup

Four calls, in order

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

  1. 1
    Before the move

    Around a minute before Dragon, ping the plan, spend gold if needed and make sure Bot and Mid know whether they can move.

  2. 2
    Enter together

    Walk with the Jungler or another ally. Sweep one route, place useful entrance vision and never face-check alone.

  3. 3
    Before starting

    Check nearby waves and enemy positions. Hold the spell that either starts a reachable fight or protects your main damage dealer.

  4. 4
    During the contest

    Keep enemies away from the safe entrance, mark the reachable threat and avoid chasing so far that Dragon is left unprotected.

Later objectives: Use the same pattern for Rift Herald or Baron: communicate first, move through controlled vision with an ally, then choose engage or peel before the fight begins.

Use the guide

Put Yuumi 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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