Diana is a S+ tier Mid Lane champion in League of Legends Patch 16.5 with a 53.4% win rate in Emerald+ ranked games, according to OP.GG data. The optimal Diana build starts with Doran's Blade and Health Potion, with core items being Trinity Force, Sterak's Gage, Death's Dance and Plated Steelcaps. For runes, run Conqueror from Precision with Resolve as the secondary tree. Skill priority is Q > E > W. Diana is best played with Flash and Ignite as summoner spells. The most challenging matchup in Mid Lane is Ahri (S+ tier, 51.8% win rate).
Source: OP.GG Emerald+ ranked data, Patch 16.5 · Last updated: March 2026 · Meridian Zero Analytics
Best Build — Patch 16.5
Start
Doran's BladeHealth Potion
Core
Trinity ForceSterak's GageDeath's Dance
Boots
Plated Steelcaps
Spells
FlashIgnite
Priority
Q > E > W
Expert Tips
- Your combo is E-W-AA-Q-R. Hitting your Q passive proc (R reset after Q) is the key to extended kill chains.
- Always try to hit Q before R. The bonus sheen proc from Q + R gap-close is your burst combo.
- Diana's early levels are weak; play safe until level 3 and 6 power spikes.
Mid Lane Matchups — Difficulty by Opponent
| Opponent | Tier | Difficulty | |
|---|---|---|---|
Ahri
|
S+ | Medium | Analyze → |
Zed
|
S+ | Medium | Analyze → |
Vex
|
S | Easy | Analyze → |
Fizz
|
S | Easy | Analyze → |
Zoe
|
S | Easy | Analyze → |
Aurelion Sol
|
S | Easy | Analyze → |
Twisted Fate
|
S | Easy | Analyze → |
Xerath
|
S | Easy | Analyze → |
Katarina
|
S | Easy | Analyze → |
Mel
|
S | Easy | Analyze → |
Sylas
|
S | Easy | Analyze → |
Malphite
|
A | Easy | Analyze → |
Runes — Patch 16.5
KeystoneConqueror
Primary TreePrecision
Slot 1Triumph
Slot 2Legend: Haste
Slot 3Last Stand
Secondary TreeResolve
Secondary 1Second Wind
Secondary 2Overgrowth