Source: Ranked + player metaPatch: 16.17Window: patchRegion: allRank: emerald_plusQueue: ranked_soloSample: 48Updated 10/28/2026, 4:36:22 AM
Confidence: Medium±0% vs 50%48 games
Lane phases
AI heuristicLevels 1–2
Even
Jarvan IV and Mordekaiser trade evenly before spikes.
Levels 3–5
Even
Play around ability cooldowns and wave control.
Level 6+
Even
Ultimate timing often swings the next two waves.
Mid / late
Even
Side-wave and vision decide more than the raw lane matchup.
Why?
AI heuristicEven
- Sample win rate for Jarvan IV is 50.0% in this matchup.
Treat this as a Even matchup for Jarvan IV into Mordekaiser — prioritize cooldown windows and jungle tracking.
Do
- Track summoner spells and ultimate cooldowns before committing.
- Play for wave states that let you crash and reset safely.
Don't
- Don't force extended trades when key abilities are down.
- Don't ignore jungle timers when the lane is volatile.
Matchup build callout
Full builds →Most-played Jarvan IV page (Jungle): Conqueror Build · 46.1% WR · 438 games
Skill order: E › Q › W
Keystones (player meta)
Most common keystones when jarvan-iv faces mordekaiser in lookup-discovered matches.
Conqueror1G100.0%
Patch: 16.17Region: naRank: emerald_plusQueue: ranked_soloSample: 452Updated 10/22/2026, 1:02:15 PM