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Rammus League of Legends champion guide

the Armordillo

Also known as راموس

Class
TankRiot data
Damage
Mixed
Difficulty
Medium
Data patch
16.21.1
Tactical identity

Rammus, Tank

Rammus, the Armordillo, is a Tank champion in League of Legends. Everything below comes from Riot's Data Dragon for patch 16.21.1: ability text, base stats and Riot's tips. Counters and matchups by class are worked out from that text, and each one shows its reason.

Riot's ratings, out of 10

Attack
4
Defense
10
Magic
5
Difficulty
5
Typical lanes (class-based)Top, Jungle
ResourceMana

Playing as Rammus

Riot's own tips

  • Powerball can be used as an effective escape mechanism.

  • Using taunt on a champion by your tower can cause the tower to attack your enemy.

  • Tremors and Defensive Ball Curl can be used late in the game to obliterate towers. If you're bogged down in a team fight, it is often valuable to break off and attack the buildings.

Playing against Rammus

Riot's own tips

  • Pay particular attention to when his Defensive Ball Curl is off. Rammus has much lower stats than a normal tank when he's out of the stance.

  • Rammus often stacks high Armor, leaving him especially vulnerable to caster damage while not in Defensive Ball Curl.

What the kit does

Analysis read from Riot's ability text. Each line shows the words it rests on.

  • Hard crowd control

    Soaring Slam: "Rammus knocks up enemies"

  • Soft crowd control (slow, silence, blind)

    Powerball: "damage and slowing targets affected"

  • Knock-up, knock-back or pull

    Soaring Slam: "Rammus knocks up enemies"

  • Dash, leap or blink

    Soaring Slam: "Rammus hops into the"

Rammus in recent patches

Every official patch that changed Rammus, newest first. Numbers from Riot's official notes (before and after).

  1. Patch 26.21nerf
    • W Defensive Ball Curl: Bonus Armor: 27 / 32 / 37 / 42 / 47 (+30 - 60% Armor) → 25 / 30 / 35 / 40 / 45 (+30 - 50% Armor)
    • W Defensive Ball Curl: Bonus Magic Resistance: 20 / 25 / 30 / 35 / 40 (+30 - 60% Magic Resistance) → 20 / 25 / 30 / 35 / 40 (+30 - 50% Magic Resistance)

Rammus's abilities

Riot's own text and preview clip for each ability, from Riot's Data Dragon, patch 16.21.1. Pick an ability and its clip plays here, muted.

PPassive

Spiked Shell

Rammus gains bonus Attack Damage scaling with his Armor and Magic Resistance.

Effects in the text

  • Gains armor or magic resist

QQ

Powerball

Cooldown
12/10.5/9/7.5/6 s
Cost (Mana)
60
Range
300

Rammus accelerates in a ball towards his enemies, dealing damage and slowing targets affected by the impact.

Effects in the text

  • Soft crowd control (slow, silence, blind)

WW

Defensive Ball Curl

Cooldown
7 s
Cost (Mana)
40
Range
300

Rammus goes into a defensive formation, vastly increasing his Armor and Magic Resistance, and returning damage to enemies that attack him.

Effects in the text

  • Gains armor or magic resist

EE

Frenzying Taunt

Cooldown
12 s
Cost (Mana)
50
Range
325

Rammus taunts an enemy champion or monster into a reckless assault against him.

RR

Soaring Slam

Cooldown
120/105/90 s
Cost (Mana)
100

Rammus hops into the air and slams down at a target area, dealing magic damage and slowing enemies. If cast while Rammus is in Powerball, Rammus knocks up enemies near the center as well.

Effects in the text

  • Hard crowd control
  • Soft crowd control (slow, silence, blind)
  • Knock-up, knock-back or pull
  • Dash, leap or blink

Build direction, Analysis

Items and runes that fit Rammus

Riot publishes no builds and this page invents none. Below: completed items ranked by how many of the stats Rammus's kit uses they give (durability (armor, magic resist, health) first), the runes whose official text matches the kit, and picks for each enemy type. A fit, not a strength ranking. No win rates.

Closest stat fit

Editorial estimate

Completed items ranked by how many of the stats Rammus's kit uses they give. A fit, not a verdict: Riot publishes no builds and no win rates.

  • Bandlepipes2,300
    • +200 Healthit is a durable champion
    • +20 Armorit is a durable champion
    • +20 Magic Resistit is a durable champion
  • Jak'Sho, The Protean3,200
    • +350 Healthit is a durable champion
    • +45 Armorit is a durable champion
    • +45 Magic Resistit is a durable champion
  • Locket of the Iron Solari2,200
    • +200 Healthit is a durable champion
    • +30 Armorit is a durable champion
    • +30 Magic Resistit is a durable champion
  • Zeke's Convergence2,200
    • +300 Healthit is a durable champion
    • +25 Armorit is a durable champion
    • +25 Magic Resistit is a durable champion
  • Abyssal Mask2,650
    • +350 Healthit is a durable champion
    • +45 Magic Resistit is a durable champion
  • Dead Man's Plate2,900
    • +350 Healthit is a durable champion
    • +55 Armorit is a durable champion

Boots

Rune fits

Editorial estimate

Runes whose official text matches the most things Rammus's kit does. Each line shows the words it rests on.

  • Stormraider's SurgeSorcery, Keystone · Matches: 2
    • It can immobilize, slow or impair enemies: Soaring Slam: "Rammus knocks up enemies"
    • It is a durable (tank) champion: Tank role
  • AftershockResolve, Keystone · Matches: 1
    • It can immobilize, slow or impair enemies: Soaring Slam: "Rammus knocks up enemies"
  • Arcane CometSorcery, Keystone · Matches: 1
    • It deals damage with abilities: Soaring Slam: "dealing magic damage and slowing"
  • Manaflow BandSorcery · Matches: 2
    • It deals damage with abilities: Soaring Slam: "dealing magic damage and slowing"
    • It uses mana: Mana
  • Sudden ImpactDomination · Matches: 2
    • It deals damage with abilities: Soaring Slam: "dealing magic damage and slowing"
    • It has a dash, leap or blink: Soaring Slam: "Rammus hops into the"
  • Approach VelocityInspiration · Matches: 1
    • It can immobilize, slow or impair enemies: Soaring Slam: "Rammus knocks up enemies"

Against each enemy type

Editorial estimate

Situational picks, counted from what the champions of each class do in Riot's Data Dragon. Swap a slot when the enemy team has several of that class.

Counted from the official ability text, League of Legends patch 16.21.1. These are counts of champions, not win rates.

Rune trees

Lit runes: their official text matches something Rammus's kit does (Analysis). Select a rune to read why.

Precision3 lit

Domination3 lit

Sorcery7 lit

Resolve5 lit

Inspiration5 lit

Matchups by class

Rammus against each class of champion, counted from the official ability text. Choose a class or a lane to narrow it down.

Against all 172 champions: 103 ahead, 46 even, 23 behind. Each class is read against that, so check the best and toughest tags too.

Class
Lane
Patch
16.21.1Older patches: not available yet

Against Tanks

Weak

Toughest class

2 ahead · 28 even · 15 behind of 45

Ahead of
Struggles against
  • Your damage is magic only, so they can stack magic resist against you.
  • Their true or percent-health damage ignores your resistances.

What to do: A risky pick into tanks. Wait for the enemy draft before you lock it, or pick it with a team that covers the gap.

Against Fighters

Even

24 ahead · 25 even · 11 behind of 60

Struggles against
  • Your hard crowd control stops their dashes.
  • Their true or percent-health damage ignores your resistances.

What to do: Neither side has a clear edge over fighters. Execution and the team around you decide it.

Against Assassins

Strong

Best class

40 ahead · 5 even · 1 behind of 46

Struggles against
  • Your hard crowd control stops their dashes.
  • They deal physical damage only, so armor works against them.

What to do: A good pick when the enemy has several assassins. Play for the fights where your edge shows.

Against Mages

Strong

54 ahead · 15 even · 6 behind of 75

Struggles against
  • They deal magic damage only, so magic resist works against them.
  • You can lock down squishy targets that have few escapes.

What to do: A good pick when the enemy has several mages. Play for the fights where your edge shows.

Against Marksmen

Strong

23 ahead · 6 even · 4 behind of 33

Struggles against
  • You have early pressure while they need time to scale.
  • They deal physical damage only, so armor works against them.

What to do: A good pick when the enemy has several marksmen. Play for the fights where your edge shows.

Against Supports

Strong

30 ahead · 8 even · 5 behind of 43

Struggles against
  • They deal magic damage only, so magic resist works against them.
  • You can lock down squishy targets that have few escapes.

What to do: A good pick when the enemy has several supports. Play for the fights where your edge shows.

Source: Nexus Lab rules over the official ability text, League of Legends patch 16.21.1. Each champion of the class is compared with Rammus one by one; the counts come from those rules, not from match results, so they are not win rates. Strong, even and weak compare the number of champions ahead and behind. Lanes are the lanes each class usually plays (Riot ships no lane data per champion), not play rates.

Building against Rammus

Analysis: answers to what Rammus's own kit does.

Picks that can punish Rammus

Analysis: rules over Riot's ability text.

Amumu

Counters you

Amumu deals true damage (Cursed Touch: "take bonus true damage from incoming"), which ignores the resistances that Rammus relies on (Tank role).

2 more reasons

Rammus deals only magic damage (Soaring Slam: "dealing magic damage and slowing"), so Amumu can stack magic resist (Tank role) against it.

Amumu clears waves more easily (Despair: "nearby enemies lose a") and can push the lane against Rammus.

Cho'Gath

Counters you

Cho'Gath deals true damage (Feast: "amount of true damage"), which ignores the resistances that Rammus relies on (Tank role).

2 more reasons

Rammus deals only magic damage (Soaring Slam: "dealing magic damage and slowing"), so Cho'Gath can stack magic resist (Tank role) against it.

Cho'Gath clears waves more easily (Feral Scream: "scream at enemies in a cone") and can push the lane against Rammus.

Sion

Counters you

Sion deals damage based on the target's health (Glory in Death: "on his target's maximum Health"), which scales against a tough champion like Rammus (Tank role).

2 more reasons

Rammus deals only magic damage (Soaring Slam: "dealing magic damage and slowing"), so Sion can stack magic resist (Tank role) against it.

Sion clears waves more easily (Decimating Smash: "powerful swing in an area in front") and can push the lane against Rammus.

Zac

Counters you

Zac deals damage based on the target's health (Unstable Matter: "percentage of their maximum health as magic"), which scales against a tough champion like Rammus (Tank role).

2 more reasons

Rammus deals only magic damage (Soaring Slam: "dealing magic damage and slowing"), so Zac can stack magic resist (Tank role) against it.

Zac clears waves more easily (Unstable Matter: "outward towards nearby enemies") and can push the lane against Rammus.

Dr. Mundo

Counters you

Dr. Mundo deals damage based on the target's health (Infected Bonesaw: "based on their current health and slowing"), which scales against a tough champion like Rammus (Tank role).

1 more reason

Rammus deals only magic damage (Soaring Slam: "dealing magic damage and slowing"), so Dr. Mundo can stack magic resist (Tank role) against it.

Kog'Maw

Counters you

Kog'Maw deals true damage (Icathian Surprise: "dealing true damage to surrounding"), which ignores the resistances that Rammus relies on (Tank role).

2 more reasons

Kog'Maw is ranged (Marksman role) and can poke Rammus, a melee champion (Tank role) with no sustain to recover.

Kog'Maw clears waves more easily (Icathian Surprise: "damage to surrounding enemies") and can push the lane against Rammus.

Watch out: Kog'Maw needs time to scale (Marksman role) and Rammus has early pressure (Soaring Slam: "Rammus knocks up enemies") to punish that.

Who Rammus is good against

The same rules, read the other way.

Kassadin

You pressure

Rammus has hard CC (Soaring Slam: "Rammus knocks up enemies") that can stop Kassadin's dashes (Riftwalk: "Kassadin teleports to a").

Quinn

You pressure

Quinn deals only physical damage (Harrier: "deal bonus physical damage"), so Rammus can stack armor (Spiked Shell: "Rammus gains bonus Attack Damage scaling with his Armor and Magic") against it.

Katarina

You pressure

Rammus has hard CC (Soaring Slam: "Rammus knocks up enemies") that can stop Katarina's dashes (Shunpo: "Katarina blinks to the").

Azir

You pressure

Rammus has hard CC (Soaring Slam: "Rammus knocks up enemies") that can stop Azir's dashes (Shifting Sands: "briefly and dashes to one").

Sivir

You pressure

Sivir deals only physical damage (Marksman role), so Rammus can stack armor (Spiked Shell: "Rammus gains bonus Attack Damage scaling with his Armor and Magic") against it.

Counter picks are Analysis: rules over Riot's ability text, each with the words it rests on. They are not win rates, and no League of Legends matchup list has been reviewed by hand yet.

Official story

Rammus's official story on Riot UniverseA link to the official source (in English). We do not copy its text.

Champion video guide

Video by 3 Minute League of Legends · Watch on YouTube The player loads from YouTube (privacy-enhanced mode) only after you press play.

Measured numbers

Numbers published or counted by a named source. Each row names the source and the patch.

Attack4
Defense10
Magic5
Difficulty5

Riot data Riot's ratings out of 10, Riot's Data Dragon, patch 16.21.1

Base stats
StatLevel 1Per levelLevel 18
Health645+1002345
Mana310+33871
Armor35+4.5111.5
Magic resist32+2.0566.85
Attack damage65-65
Attack speed0.7+2.215%0.964
Attack range125-125
Move speed335-335
Health regen per 5 seconds8+0.5517.35
Mana regen per 5 seconds7.85+0.516.35

Riot data Riot's Data Dragon, patch 16.21.1. Level 18 is calculated from Riot's growth formula on the same numbers.

Editorial estimates

Our reading of the data. These are not measured rates and they change when the rules or the data change.

Counter picks
6 Editorial estimateNexus Lab rules over Riot's ability text, patch 16.21.1
Good against
5 Editorial estimateNexus Lab rules over Riot's ability text, patch 16.21.1
Typical lanes
Top, Jungle Editorial estimateLanes of the class; Riot ships no lane data per champion
Best class (relative)
Assassins Editorial estimateWins minus losses over the class, compared with the other classes; counts of champions, patch 16.21.1
Toughest class (relative)
Tanks Editorial estimateWins minus losses over the class, compared with the other classes; counts of champions, patch 16.21.1

What no source gives us

  • Win rate, pick rate and ban rate. Riot publishes none we may print (the Riot API cards are switched off) and no third-party statistics site is read, so none is shown.
  • Popular builds. Riot publishes no builds: the items and runes in Build & Runes are a fit to the kit, not a popularity ranking.

Sources

  • Riot Games Data Dragon

    Names, ratings, base stats, ability text, cooldowns, costs, range, items, runes and art.

    Patch 16.21.1, file generated 2026-10-26
    Open
  • Riot ability preview clips

    Played from Riot's own server when you press play; never copied here.

    Each clip checked with a request before it is offered
  • League of Legends Wiki

    Release dates and skin prices in RP (CC BY-SA).

    Committed data, see the skins page
    Open
  • Nexus Lab rules

    Counters, matchups by class, item and rune fit: rules over Riot's ability text, each with the words it rests on.

    Patch 16.21.1
  • Riot Universe

    The official story of Rammus (a link, nothing copied).

    Open

Rammus skins

RP prices from the League of Legends Wiki. Dollar prices are The Nexus store's own.

All 12 skins

Artwork and data: Riot Games (Data Dragon). Prices and dates in RP and Wild Cores from the League of Legends Wiki (CC BY-SA 3.0).

Quick answers

Who counters Rammus in League of Legends?

By rules over Riot's ability text, the picks that fit best against Rammus are Amumu, Cho'Gath and Sion, and each one is listed on this page with its reason. This is Analysis, not a win rate.

How do you play against Rammus in League of Legends?

Riot's own tip: Pay particular attention to when his Defensive Ball Curl is off. Rammus has much lower stats than a normal tank when he's out of the stance. The counter picks on this page add the champions whose abilities answer Rammus, each with its reason.

Who is Rammus good against in League of Legends?

Read the other way round, the same rules over Riot's ability text find Rammus strong into Kassadin, Quinn and Katarina. The reason for each is on this page. This is Analysis, not a win rate.

Which lanes does Rammus play?

Data Dragon has no lane data. As a Tank champion, Rammus typically plays Top and Jungle. This is a class-based filter, not a play rate.

How hard is Rammus to play?

Riot rates the difficulty of Rammus as Medium (5 out of 10).

Every answer here is built from Riot's Data Dragon data and the Nexus Lab rules over it. Where there is no data we say so instead of guessing.

Related champions

Next steps

Artwork and data: Riot Games (Data Dragon)

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Background art: Rammus, Riot Games