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Game patch 26.20Data Dragon 16.20.1

Reference patch 16.20.1

Thresh ARAM · Howling Abyss

A champion-specific Howling Abyss plan with ARAM starting, shopping and teamfight rules. Summoner's Rift roles are not used here.

One shared laneOne-lane Howling Abyss preparation
Champion overview
Review patch unknownRecommendation review pending

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

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

Howling Abyss rules

Prepare for one shared lane

ARAM removes the normal Rift role map. Build around the champion, the five-player team and the next fight instead.

01
Start together

Review rerolls and the shared bench, then leave with an opening that fits this champion and the team around it.

02
Shop while dead

You cannot Recall to buy. Plan components before leaving the shop and use each death timer deliberately.

03
Share health relics

A relic heals nearby allies after a short delay. Signal it and avoid taking the trigger when a lower-health teammate needs the area.

04
Fight with the wave

Minions create structure pressure and safer space. Clearing first can be more useful than forcing another low-health engage.

ARAM · Howling Abyss

ARAM engage support

Compare the opening with Riot's ARAM Recommended shop before leaving base. After that, purchases happen only while dead; the six usable inventory slots do not increase.

Death-only shopping
S
ARAM opening · separate from item 1

Guardian's Horn

950 gold

An ARAM health and regeneration starter to compare with the current Recommended shop.

1
Control defence

Mercury's Treads

1,250 gold

Adds magic resistance and tenacity against reducible crowd control.

2
Team shield

Locket of the Iron Solari

2,200 gold

Adds an immediate shield for nearby allies after a team commit.

3
Protect one ally

Knight's Vow

2,300 gold

Redirects protection toward one priority ally.

4
Against repeated attacks

Frozen Heart

2,500 gold

Adds armour and attack-speed reduction against repeated basic attacks.

5
Against magic damage

Kaenic Rookern

2,900 gold

Adds dedicated magic resistance against sustained spell damage.

6
Mixed resistance

Jak'Sho, The Protean

3,200 gold

Completes the permanent inventory with mixed resistance for extended front-line contact.

Buy this only after selling the Guardian starter when all six permanent slots are needed.

Complete build choices

Choose the route before play

Recommendation review pending

AlternativeToo much healingChempunk Chainsword adds anti-heal without abandoning attack damage and health.View full route

Best when: Chempunk Chainsword adds anti-heal without abandoning attack damage and health.

  1. Control defenceMercury's Treads
  2. Team shieldLocket of the Iron Solari
  3. Chempunk Chainsword
  4. Against repeated attacksFrozen Heart
  5. Against magic damageKaenic Rookern
  6. Mixed resistanceJak'Sho, The Protean

Buy this only after selling the Guardian starter when all six permanent slots are needed.

AlternativePhysical burstDeath's Dance delays physical damage so takedowns can stabilise the fight.View full route

Best when: Death's Dance delays physical damage so takedowns can stabilise the fight.

  1. Control defenceMercury's Treads
  2. Team shieldLocket of the Iron Solari
  3. Death's Dance
  4. Against repeated attacksFrozen Heart
  5. Against magic damageKaenic Rookern
  6. Mixed resistanceJak'Sho, The Protean

Buy this only after selling the Guardian starter when all six permanent slots are needed.

AlternativeThey stack armourBlack Cleaver shreds armour during extended fights.View full route

Best when: Black Cleaver shreds armour during extended fights.

  1. Control defenceMercury's Treads
  2. Team shieldLocket of the Iron Solari
  3. Black Cleaver
  4. Against repeated attacksFrozen Heart
  5. Against magic damageKaenic Rookern
  6. Mixed resistanceJak'Sho, The Protean

Buy this only after selling the Guardian starter when all six permanent slots are needed.

Complete build comparison

Complete build comparison

Recommendation review pending

Build review neededARAM engage supportRecommendation review pendingView full route

Recommendation review pending

  1. Control defenceMercury's Treads
  2. Team shieldLocket of the Iron Solari
  3. Protect one allyKnight's Vow
  4. Against repeated attacksFrozen Heart
  5. Against magic damageKaenic Rookern
  6. Mixed resistanceJak'Sho, The Protean

Buy this only after selling the Guardian starter when all six permanent slots are needed.

AlternativeToo much healingChempunk Chainsword adds anti-heal without abandoning attack damage and health.View full route

Best when: Chempunk Chainsword adds anti-heal without abandoning attack damage and health.

  1. Control defenceMercury's Treads
  2. Team shieldLocket of the Iron Solari
  3. Chempunk Chainsword
  4. Against repeated attacksFrozen Heart
  5. Against magic damageKaenic Rookern
  6. Mixed resistanceJak'Sho, The Protean

Buy this only after selling the Guardian starter when all six permanent slots are needed.

AlternativePhysical burstDeath's Dance delays physical damage so takedowns can stabilise the fight.View full route

Best when: Death's Dance delays physical damage so takedowns can stabilise the fight.

  1. Control defenceMercury's Treads
  2. Team shieldLocket of the Iron Solari
  3. Death's Dance
  4. Against repeated attacksFrozen Heart
  5. Against magic damageKaenic Rookern
  6. Mixed resistanceJak'Sho, The Protean

Buy this only after selling the Guardian starter when all six permanent slots are needed.

AlternativeThey stack armourBlack Cleaver shreds armour during extended fights.View full route

Best when: Black Cleaver shreds armour during extended fights.

  1. Control defenceMercury's Treads
  2. Team shieldLocket of the Iron Solari
  3. Black Cleaver
  4. Against repeated attacksFrozen Heart
  5. Against magic damageKaenic Rookern
  6. Mixed resistanceJak'Sho, The Protean

Buy this only after selling the Guardian starter when all six permanent slots are needed.

Runes and summoner spells

Runes and summoner spellsThreshHowling Abyss

ARAM rewards reliable access to clustered fights. Mark helps a melee front liner enter; Flash preserves a separate escape or reposition.

ARAM
Primary tree

Resolve

Grasp of the UndyingFont of LifeConditioningOvergrowth
Secondary tree

Precision

TriumphLegend: Haste
Summoner spells
FlashMark
Howling Abyss only

Mark and Clarity are mode-specific choices. Do not copy this pair onto a Summoner's Rift page.

Protect the next fight

Choose the second spell around access, survival and team resources rather than treating every ARAM champion as a diver.

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.

Too much healing

Chempunk Chainsword

Chempunk Chainsword adds anti-heal without abandoning attack damage and health.

Physical burst

Death's Dance

Death's Dance delays physical damage so takedowns can stabilise the fight.

They stack armour

Black Cleaver

Black Cleaver shreds armour during extended fights.

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.

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

Thresh 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

Damnation

What it doesThresh can harvest the souls of enemies that die near him, permanently granting him Armor and Ability Power.

Practical readDamnation is the always-on rule shaping Thresh's normal trading and fight pattern. Watch its in-game state before committing.

Q
Q ability

Death Sentence

What it doesThresh binds an enemy in chains and pulls them toward him. Activating this ability a second time pulls Thresh to the enemy.

Practical readDeath Sentence is part of Thresh's Q pattern. Read its listed effect first, then track the cooldown and condition that make the next use valuable.

Cooldown19/16.5/14/11.5/9 secCost70Listed range1075 units
W
W ability

Dark Passage

What it doesThresh throws out a lantern that shields nearby allied Champions from damage. Allies can click the lantern to dash to Thresh.

Practical readDark Passage is a ranged cast involving movement or repositioning and damage. Respect its line or target area, and avoid spending it when the opponent can simply step away before the important exchange.

Cooldown21/20/19/18/17 secCost50/55/60/65/70Listed range950 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.

Movement

The cast changes position or access. Account for where the champion finishes, not only where the ability begins.

E
E ability

Flay

What it doesThresh's attacks wind up, dealing more damage the longer he waits between attacks. When activated, Thresh sweeps his chain, knocking all enemies hit in the direction of the blow.

Practical readFlay contributes damage. Its value changes with cooldown, range and target access; recognise the setup before moving into its effective area.

Cooldown13/12.25/11.5/10.75/10 secCost60/65/70/75/80Listed range500 units
R
Ultimate

The Box

What it doesA prison of walls that slow and deal damage if broken.

Practical readThe Box contributes a slowing effect and damage. Its value changes with cooldown, range and target access; recognise the setup before moving into its effective area.

Cooldown120/100/80 secCost100Listed range450 units

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

Trade around health, range and the next wave

1
Wave

Let the team clear without spending every important cooldown at once.

2
Map play

Track the shared lane, brush control and available relics rather than looking for a Rift rotation.

3
Fights

Use the champion's reliable range, protection or control before forcing a low-percentage engage.

Shared-lane plan

Thresh on Howling Abyss

Read health, range, wave position and respawn timing together. ARAM has no side-lane rotation, neutral-objective setup or normal ward-control loop.

ARAM only
1
Before the fight

Clear or escort the wave, check which allies are alive and preserve enough health to use the champion's reliable range, protection or engage.

2
During the fight

Use the nearest safe target and the team's reachable follow-up. Do not cross the whole enemy formation for a single low-health champion.

3
After the fight

Push with surviving minions, take the safe structure damage available and reset only through a real death rather than donating one alone.

Keep preparing

Stay inside the ARAM ruleset

Compare another champion, review all Howling Abyss builds, or return to the champion overview. Rift lanes and counter-pick claims stay out of this mode.

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