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ARAM · Howling AbyssMatchup guidePatch 16.20.1

Rengar vs Vex

Build, runes, abilities and practical pre-game checks in one queue-aware reference.

RengarVSVex

Matchup guide

Choose the matchup

Search any two champions. ARAM uses one shared lane, so no Rift role selection is required.

VS
FormatOne shared lane

Choose two champions from the list.

ARAM context

One shared lane, one champion-specific plan

The page uses ARAM starting, shopping and teamfight rules. Its internal build source is not shown as a Rift assignment.

Howling Abyss
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 assassin reference

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 Blade

950 gold

An ARAM attack-damage starter to compare with the current Recommended shop.

1
Haste Boots

Ionian Boots of Lucidity

900 gold

Adds haste and movement for repeated ability windows.

2
Pick power

Youmuu's Ghostblade

2,800 gold

Adds movement and lethality for physical-damage picks.

3
Spell protection

Edge of Night

3,000 gold

Adds health and a spell shield before a risky engage.

4
Against armour

Serylda's Grudge

3,000 gold

Adds armour penetration against defended targets.

5
Final safety

Death's Dance

3,300 gold

Adds physical-damage durability after the damage core is established.

6
Final option

Axiom Arc

2,750 gold

Completes the permanent inventory with lethality and more frequent ultimate windows.

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. Haste BootsIonian Boots of Lucidity
  2. Pick powerYoumuu's Ghostblade
  3. Chempunk Chainsword
  4. Against armourSerylda's Grudge
  5. Final safetyDeath's Dance
  6. Final optionAxiom Arc

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

AlternativeSustained magic damageKaenic Rookern is a defensive answer when repeated magic damage is the real problem.View full route

Best when: Kaenic Rookern is a defensive answer when repeated magic damage is the real problem.

  1. Haste BootsIonian Boots of Lucidity
  2. Pick powerYoumuu's Ghostblade
  3. Spell protectionEdge of Night
  4. Kaenic Rookern
  5. Final safetyDeath's Dance
  6. Final optionAxiom Arc

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 assassin referenceRecommendation review pendingView full route

Recommendation review pending

  1. Haste BootsIonian Boots of Lucidity
  2. Pick powerYoumuu's Ghostblade
  3. Spell protectionEdge of Night
  4. Against armourSerylda's Grudge
  5. Final safetyDeath's Dance
  6. Final optionAxiom Arc

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. Haste BootsIonian Boots of Lucidity
  2. Pick powerYoumuu's Ghostblade
  3. Chempunk Chainsword
  4. Against armourSerylda's Grudge
  5. Final safetyDeath's Dance
  6. Final optionAxiom Arc

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

AlternativeSustained magic damageKaenic Rookern is a defensive answer when repeated magic damage is the real problem.View full route

Best when: Kaenic Rookern is a defensive answer when repeated magic damage is the real problem.

  1. Haste BootsIonian Boots of Lucidity
  2. Pick powerYoumuu's Ghostblade
  3. Spell protectionEdge of Night
  4. Kaenic Rookern
  5. Final safetyDeath's Dance
  6. Final optionAxiom Arc

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

Runes and summoner spells

Runes and summoner spellsRengarHowling 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.

Matchup notes

What changes when Vex is opposite you?

Pre-game kit comparison
Shared-lane interaction

Compare reliable reach and repeatable value

Track which champion can apply damage, control or protection without crossing the enemy team's safe space. ARAM does not turn this kit comparison into a lane-counter claim.

Team context first

Rerolls, allied range, engage and protection can matter more than either champion in isolation.

Your plan

Use the route you prepared

Use the champion-specific ARAM build as a starting reference, then check the current Recommended shop, your five-player composition and the next available death shop.

Ability reminders

Rengar reminders

  • Use Rengar's ultimate to find and assassinate high priority targets in team fights and skirmishes.
  • A lot of Rengar's power comes from empowered abilities he uses at the right moment - choose wisely!
  • Make sure to take paths through brush when chasing opponents to take advantage of Rengar's passive.

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.

Sustained magic damage

Kaenic Rookern

Kaenic Rookern is a defensive answer when repeated magic damage is the real problem.

Ability reference

Compare both kits

Ability reference Data Dragon 16.20.1

Cooldown / Cost / Range Data Dragon 16.20.1

Rengar

  1. P
    Unseen Predator

    Unseen Predator is an automatic part of the kit involving basic-attack interaction and damage. Track when its condition is active instead of treating every fight the same way.

  2. Q
    Savagery

    Savagery contributes basic-attack interaction and damage. Its value changes with cooldown, range and target access; recognise the setup before moving into its effective area.

    Listed range 450
  3. W
    Battle Roar

    Battle Roar contributes protection or sustain and damage. Its value changes with cooldown, range and target access; recognise the setup before moving into its effective area.

    Listed range 450
  4. E
    Bola Strike

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

    Listed range 1000
  5. R
    Thrill of the Hunt

    Thrill of the Hunt contributes movement or repositioning. Its value changes with cooldown, range and target access; recognise the setup before moving into its effective area.

    Cooldown 100/90/80 · Listed range 2500/3000/3500

Vex

  1. P
    Doom 'n Gloom

    Doom 'n Gloom is an automatic part of the kit involving hard crowd control and damage. Track when its condition is active instead of treating every fight the same way.

  2. Q
    Mistral Bolt

    Mistral Bolt 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.

    Cooldown 8/7/6/5/4 · Cost 45/50/55/60/65 · Listed range 1200
  3. W
    Personal Space

    Personal Space contributes protection or sustain and damage. Its value changes with cooldown, range and target access; recognise the setup before moving into its effective area.

    Cooldown 16/15/14/13/12 · Cost 75 · Listed range 475
  4. E
    Looming Darkness

    Looming Darkness creates setup or area pressure. Place it where the opponent must choose between entering its space, changing route or giving up the immediate contest.

    Cooldown 12 · Cost 70/80/90/100/110 · Listed range 800
  5. R
    Shadow Surge

    Shadow Surge 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.

    Cooldown 140/120/100 · Cost 100 · Listed range 2000/2500/3000

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

Rengar 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 with Howling Abyss information

Open the complete ARAM build or compare another champion. Rift role counters are intentionally kept out of this page.

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