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Matchup

Nautilus
Nautilus
40%
60%

vs

50.0%
Jarvan IV
JarvanIV
67%
33%
Strong engageHeavy AD damageDive threatHeavy CC

Build vs Jarvan IV

Build adapted to this matchup

Starting items

Health Potion
x2

Core build

Locket of the Iron Solari
1HP
Knight's Vow
2vs AD
Thornmail
3vs Hybride

Standard

Boots of Swiftness
4vs Slow
Celestial Opposition
5HP

Summoner spells

41476%
3412%

Anti AD

Plated Steelcaps
4vs AD
Bandlepipes
5vs Hybride
Frozen Heart
vs AD
Randuin's Omen
vs AD
Sunfire Aegis
vs AD

Anti AP

Mercury's Treads
4vs CC
Kaenic Rookern
5vs AP

Other options

Celestial Opposition
HP
Solstice Sleigh
HP
Protoplasm Harness
Survival
Bloodsong
HP
Zeke's Convergence
Tank
Mikael's Blessing
HP
100.0% WR8 games
ResolveResolve
AftershockAftershock
Shield BashShield Bash
Bone PlatingBone Plating
UnflinchingUnflinching
InspirationInspiration
Biscuit DeliveryBiscuit Delivery
Cosmic InsightCosmic Insight
Ability HasteHealth ScalingHealth Scaling

Power Spikes

Strength by game phase

Early (0-15)
Mid (15-30)
Late (30+)
NautilusNautilus
JarvanIVJarvan IV
Neutral
Neutral
Neutral

Jarvan IV's abilities

Passive, spells and ultimate

Martial Cadence (P)

Jarvan's first basic attack on an enemy deals bonus physical damage based on their current Health. This effect cannot occur again on the same enemy for a few seconds.

Cooldowns

Cooldowns by spell rank

LevelQWER
310s9s12s–
68s9s12s2m
96s9s12s2m
116s9s12s1m45
166s9s11s1m30
186s9s10s1m30

Playing against Jarvan IV

How to counter and exploit weaknesses

1

His EQ can be dodged by side-stepping — the hitbox isn't very wide. Move laterally.

2

J4's R can be dashed over: many champions can simply dash out (Riven, Ezreal, etc.).

3

If J4 uses his EQ offensively, he has no escape for ~12s — punish him when he's in an advanced position.

4

His R also traps his allies: J4 can cage his own team. Take advantage of the chaos if it happens.

Source: op.gg + LTL Engine · Patch 16.9.1 · May 9, 2026