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Thresh

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

the Chain Warden · Tank damageSupportTankEnchanterSupport

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 Thresh against any opponent at any level.

Damage LabLaning matchupBuild LabARAM sheet

Thresh build and runes (Support, patch 26.20)

Item order

  1. Jak'Sho, The Protean
  2. Plated Steelcaps
  3. Sterak's Gage
  4. Warmog's Armor
  5. Heartsteel
  6. Dead Man's Plate

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

Rune page

Resolve · keystone Grasp of the Undying

Demolish, Conditioning, Overgrowth

Secondary: Hextech Flashtraption, Triple Tonic

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

Thresh is classified Tank (durability-first); itemization computed from Jak'Sho, The Protean + current-patch item stats. Win-rate shown is an estimate and does not drive the build.

Thresh base stats by level

LevelHealthAttack damageArmorMagic resistAttack speed
Level 162056.033.030.00.625
Level 61,09464.733.036.10.711
Level 111,67375.333.043.60.817
Level 182,66093.433.056.40.997

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

Thresh ability damage per rank

Q — Death Sentence magic

RankR1R2R3R4R5
Base damage100150200250300
Cooldown (s)19.016.514.011.59.0

Scaling: 90/90/90/90/90% AP.

Thresh Q damage by champion level (own stats, no items)
LevelRankRaw damageCooldown
Level 1rank 1100.019.0s
Level 3rank 2150.016.5s
Level 6rank 3200.014.0s
Level 9rank 5300.09.0s
Level 11rank 5300.09.0s
Level 13rank 5300.09.0s
Level 16rank 5300.09.0s
Level 18rank 5300.09.0s

W — Dark Passage none

RankR1R2R3R4R5
Base damageno direct damage
Cooldown (s)21.020.019.018.017.0

Scaling: no scaling.

E — Flay magic

RankR1R2R3R4R5
Base damageno direct damage
Cooldown (s)13.012.211.510.810.0

Scaling: 90/120/150/180/210% total AD.

Thresh E damage by champion level (own stats, no items)
LevelRankRaw damageCooldown
Level 1rank 150.413.0s
Level 3rank 271.112.2s
Level 6rank 397.011.5s
Level 9rank 5148.710.0s
Level 11rank 5158.110.0s
Level 13rank 5168.210.0s
Level 16rank 5184.510.0s
Level 18rank 5196.110.0s

R — The Box magic

RankR1R2R3
Base damage250400550
Cooldown (s)120.0100.080.0

Scaling: 100/100/100% AP.

Thresh R damage by champion level (own stats, no items)
LevelRankRaw damageCooldown
Level 6rank 1250.0120.0s
Level 9rank 1250.0120.0s
Level 11rank 2400.0100.0s
Level 13rank 2400.0100.0s
Level 16rank 3550.080.0s
Level 18rank 3550.080.0s

Thresh ARAM buffs & nerfs (Howling Abyss balance modifiers)

Thresh deals normal damage and takes +5% damage on the Howling Abyss.

ARAM modifierValue
Damage dealt—
Damage taken+5%
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 Thresh build on patch 26.20?

RiftLab's stat-driven build for Thresh Support is Jak'Sho, The Protean, Plated Steelcaps, Sterak's Gage, Warmog's Armor, Heartsteel, Dead Man's Plate, with Grasp of the Undying as the keystone. It is computed from the champion's damage profile and the opponent's resists, not from win-rate scraping.

Does Thresh have ARAM modifiers?

Yes. On ARAM Thresh deals normal damage and takes +5% damage.

How much damage does Thresh's Death Sentence do?

Thresh's Q (Death Sentence) has a base damage of 100/150/200/250/300 across its ranks and scales with 90/90/90/90/90% AP. Before the target's resistances; use the Damage Lab for the mitigated number against a specific opponent.

How much health does Thresh have at level 18?

Thresh has 2,660 base health, 33.0 armor and 56.4 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.