Patch 26.9 Data
Champion Matchups
Pick two champions and see who wins. Win rates, counters, and tips powered by live ranked data.
Champion 1
Jarvan IV
VS
Champion 2
Rammus
vs
51.9%
Jarvan IV win rate vs Rammus
Skill matchup — could go either way
335
Games Analyzed
51.9%
Jarvan IV WR
48.1%
Rammus WR
+155
Avg Gold Diff @15
Jarvan IV
DamageAD
StyleAll-in
RangeMelee
Difficulty**---
StrongEarly game
RunesConqueror / Resolve
SummsFlash + Smite
Rammus
DamageMixed
StyleAll-in
RangeMelee
Difficulty*----
StrongMid game
RunesAftershock / Inspiration
SummsFlash + Smite
Power Spike Timeline
Jarvan IV
Level 2
Rammus
Level 3
Jarvan IV
Level 6
Rammus
Level 6
Jarvan IV
1 item
Rammus
Thornmail
How to Play This Matchup
Power Curve
Jarvan IV is strongest early game while Rammus peaks mid game. Play around your power window.
Mixed Resistances
Jarvan IV deals AD damage while Rammus deals Mixed. Build resistances accordingly  don't stack the wrong type.
Mirror Playstyle
Both champions play a all-in style. The one with better execution and itemization wins. Focus on spacing and cooldown tracking.
Exploit Rammus's Weakness
Rammus's main weakness: AP damage, kiting, slow clear early. Play around this to maximize your advantage.
Jarvan IV Win Condition
E+Q combo gank, R traps carries, flag aura
Rammus Win Condition
Q roll ganks, W reflects AD damage, R AoE slow, anti-AD
Recommended Items
Jarvan IV
Eclipse
Core
Build every game
Black Cleaver
Core
Build every game
Sterak's Gage
Core
Build every game
Rammus
Thornmail
Core
Build every game
Dead Man's Plate
Core
Build every game
Gargoyle Stoneplate
Core
Build every game
Plated Steelcaps
Defensive
Armor boots vs Jarvan IV's AD damage
Jarvan IV's Worst Matchups
Rammus's Worst Matchups
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