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Yuumi

Yuumi Support Build, Patch 26.20 — Runes, Ability Damage & ARAM Buffs/Nerfs

the Magical Cat · AP damageSupportMageEnchanterSupport

Every number below is computed from Riot's official game data for patch 26.20 — the Worlds 2026 patch (Data Dragon, with Meraki Analytics ability values and Riot's published ARAM balance), not sampled from match histories. Open the interactive labs to test Yuumi against any opponent at any level.

Damage LabLaning matchupBuild LabARAM sheet

Yuumi build and runes (Support, patch 26.20)

Item order

  1. Rabadon's Deathcap
  2. Spellslinger's Shoes
  3. Zhonya's Hourglass
  4. Shadowflame
  5. Dusk and Dawn
  6. Riftmaker

Start: Doran's Ring, Health Potion
Situational: —

Rune page

Domination · keystone Electrocute

Cheap Shot, Sixth Sense, Treasure Hunter

Secondary: Axiom Arcanist, Transcendence

Summoners: Flash, Ignite · Skill order: Q > E > W

Yuumi is classified AP from its ability scalings; itemization computed from Rabadon's Deathcap + current-patch item stats. Win-rate shown is an estimate and does not drive the build.

Yuumi base stats by level

LevelHealthAttack damageArmorMagic resistAttack speed
Level 150049.025.025.00.625
Level 677361.241.629.30.650
Level 111,10576.261.934.70.680
Level 181,673101.796.443.70.731

Growth follows Riot's per-level curve: value = base + growth × (n−1) × (0.7025 + 0.0175 × (n−1)).

Yuumi ability damage per rank

Q — Prowling Projectile magic

RankR1R2R3R4R5R6
Base damage6095130165200235
Cooldown (s)6.56.56.56.56.56.5

Scaling: 20/20/20/20/20/20% AP.

Yuumi Q damage by champion level (own stats, no items)
LevelRankRaw damageCooldown
Level 1rank 160.06.5s
Level 3rank 295.06.5s
Level 6rank 3130.06.5s
Level 9rank 5200.06.5s
Level 11rank 6235.06.5s
Level 13rank 6235.06.5s
Level 16rank 6235.06.5s
Level 18rank 6235.06.5s

W — You and Me! none

RankR1R2R3R4R5
Base damageno direct damage
Cooldown (s)10.05.0———

Scaling: no scaling.

E — Zoomies magic

RankR1R2R3R4R5
Base damageno direct damage
Cooldown (s)10.010.010.010.010.0

Scaling: no scaling.

R — Final Chapter magic

RankR1R2R3
Base damage150250350
Cooldown (s)120.0110.0100.0

Scaling: 50/50/50% AP.

Yuumi R damage by champion level (own stats, no items)
LevelRankRaw damageCooldown
Level 6rank 1150.0120.0s
Level 9rank 1150.0120.0s
Level 11rank 2250.0110.0s
Level 13rank 2250.0110.0s
Level 16rank 3350.0100.0s
Level 18rank 3350.0100.0s

Yuumi ARAM buffs & nerfs (Howling Abyss balance modifiers)

Yuumi plays with Summoner's Rift numbers — no ARAM-specific balance.

ARAM modifierValue
Damage dealt—
Damage taken—
Healing—
Shielding—
Attack speed—
Ability haste—
Tenacity—
Energy regen—

ARAM also starts champions at level 3 with 1,400 gold. The ARAM sheet applies these modifiers to every stat and ability side by side with Summoner's Rift.

Frequently asked

What is the best Yuumi build on patch 26.20?

RiftLab's stat-driven build for Yuumi Support is Rabadon's Deathcap, Spellslinger's Shoes, Zhonya's Hourglass, Shadowflame, Dusk and Dawn, Riftmaker, with Electrocute as the keystone. It is computed from the champion's damage profile and the opponent's resists, not from win-rate scraping.

Does Yuumi have ARAM modifiers?

No. Yuumi plays with Summoner's Rift numbers on ARAM; Riot has not given Yuumi ARAM-specific balance on patch 26.20.

How much damage does Yuumi's Prowling Projectile do?

Yuumi's Q (Prowling Projectile) has a base damage of 60/95/130/165/200/235 across its ranks and scales with 20/20/20/20/20/20% AP. Before the target's resistances; use the Damage Lab for the mitigated number against a specific opponent.

How much health does Yuumi have at level 18?

Yuumi has 1,673 base health, 96.4 armor and 43.7 magic resist at level 18 with no items, on patch 26.20.

Data: Riot Data Dragon 26.20, Meraki Analytics, LoL Wiki ARAM table. Builds are stat-driven recommendations from RiftLab's optimizer, not win-rate aggregates.