Jarvan IV

Arena changes

• E: AP ratio changed to 140% AP.²

• A stat-focused anvil build can help Jarvan IV's team through the first rounds when the team is weak early and a stat run is available; it does not need to be forced.³

Jarvan IV can be difficult to play as a solo carry and may need to play around his teammates.⁴

• With Jarvan IV's Guest of Honor and Now You See Me II, each clone that dies grants 250 gold.⁵
• Stealing an enemy crown reduces Jarvan IV's damage and damage resistance; takedowns with the stolen crown grant bonus gold.⁶⁷⁸⁹
• Jarvan IV's crown can be stolen during the shopping phase, and this interaction is intended.¹⁰¹¹¹²
• The crown goes to a player on the lower-health team and grants its holder 15% more damage and 15% damage reduction; if the holder is killed, the crown can be picked up.¹³¹⁴
• The crown disables its holder's revive.¹³
• The crown resets each round and is given to the lower-health team again.¹⁵¹⁶¹⁷

• Jarvan IV's E-Q remains bugged in the practice lobby.¹⁸
• Jarvan IV's E-Q knockup does not grant Desecrator stacks, even though Reverberation counts it as an immobilize; it is unclear whether the issue affects other knockups.¹⁹
• Picking up the crown during the shopping phase is sometimes buggy.¹³

• In patch 26.10, Jarvan IV's Guest of Honor size adjustment increased from 20% to 25%.²⁰
• Jarvan IV's Demacian Standard AP ratio changed to 140% AP in patch 26.8.²²¹²² Earlier Arena format
• A June 2026 PBE listing showed Jarvan IV's Crown Thief Multiplier changing from -150% to -100%; the meaning of the value is unclear.²³ Patch unknown

Earlier formats

• Jarvan IV's Q counted as a dash for the Dashing prismatic augment.²⁴ 8x2 duos