Lockevs Diana
Locke vs Diana is a decisive matchup in LoL patch 26.18. Diana wins with a 54.6% win rate (+9.3%) over Locke based on 86 games. Diana wins the early laning phase while Locke scales better into the late game. Below you'll find the best Locke build, runes, laning stats, and strategies for the Locke vs Diana matchup.
Locke Matchup Breakdown
Use the dropdown to select an opponent and see a detailed breakdown of how Locke performs against them. You'll get head-to-head win rates, laning stats, the best build and runes for the matchup, and early vs late game analysis — all based on real ranked data.
Who wins Locke vs Diana?
Locke wins 45.2% of these games. With this many games the true rate is most likely between 34.3% and 56.6% (95% range).
- Expected
- 47.7% From both champions' overall Mid win rates
- Matchup effect
- −2.5 pts Observed minus expected
- Sample
- 73 games Lane: Mid
Lane: Mid · Ranked Solo/Duo & Flex · North America server · All ranks · Patch 26.18 · Sep 11 – Sep 14
They also met in another lane (Jungle): 8 games, Locke won 37.5%.
Key takeaways
- Current data slightly favors Diana, but the sample is too limited for a strong conclusion: Locke wins 45.2% of 73 games (95% range 34.3–56.6%).
- Both champions' overall Mid win rates predict 47.7% for Locke; the result is within the margin of error of that, so this matchup mostly reflects the two champions' general strength.
- Diana usually wins the lane: 413 gold ahead of Locke at 15 minutes on average (73 games with a 15-minute snapshot).
- Locke players pick Doran's Ring + Health Potion + Health Potion + Stealth Ward much less often against Diana: 31.9% of their other Mid games, 19.2% here.
How we calculate this
Games: ranked Solo/Duo and Flex games on the North America server from the patch shown. Remakes (games under 5 minutes) are excluded.
A game only counts when Locke and Diana played the same position on opposite teams, so roaming, lane swaps within a team or a champion merely being in the same game never count as this matchup.
The 95% range is a Wilson score interval. Confidence comes from how wide that range is: within ±3 points is very high, ±5 high, ±8 moderate, anything wider low. Below 20 games a matchup is not classified at all.
Expected win rate combines both champions’ win rates in this lane (same games and filters) with the log5 formula: E = A(1−B) / (A(1−B) + B(1−A)). Matchup effect = observed − expected.
"What changes" compares Locke's choices in this matchup with the same champion's other games in the same lane, and lists a change only when it is at least 3 points and statistically significant (two-proportion z-test, |z| ≥ 2, 20+ games).
Results are not split by rank: the sample per rank is too small for honest per-rank matchup numbers.
Locke vs Diana Laning Stats
At 15 minutes
Solo kills are tracked from this patch on — 0 games have them so far, shown from 30.
Whole-game averages
Locke vs Diana Win Rate by Game Length
Locke's win rate against Diana by game length. The dot is the win rate, the bar its 95% range and the dashed line the champion's usual win rate at that length. Lengths with fewer than 25 games are left blank.
No game length stands out: Locke's results against Diana in short and long games are within the margin of error of each other.
Locke vs Diana Power Spikes
Who is ahead at each stage, measured from these games. A stage reads "Even" when the difference is inside the margin of error, and "Insufficient data" when there are too few games to tell.
- Lane (15 min)DianaLocke gold at 15: −413
- First itemEvenLocke: 11.0 min · Diana: 10.6 min
- Games under 20 minInsufficient data
- 20–30 min gamesInsufficient data
- 30+ min gamesInsufficient data
What Locke Changes Against Diana
Choices Locke players make noticeably more or less often in this matchup than in their other Mid games.
Doran's Ring + Health Potion + Health Potion + Stealth WardStarting itemsUsually31.9%vs Diana19.2%−12.7 pts
Coup de GraceRuneUsually2.8%vs Diana6.8%+4.1 pts
Nashor's ToothItemUsually1.8%vs Diana5.5%+3.7 pts
Best Locke Build vs Diana
Usual Locke build (Mid)
100.0% win rate · 11 games
Against Diana
Not enough matchup-specific build data: only 11 of 45 Locke games against Diana carried a complete build, which is too few to recommend an item path from. Use Locke's standard build instead.
- Locke usually completes Lich Bane first, at 11.0 min (median of 59 games).
- Diana usually completes Stormsurge first, at 10.6 min (median of 52 games).
- Skill priority: Q > E > W — the same as usual.
Builds are ranked by the lower edge of their win rate range, not the raw win rate, so a build seen in a handful of wins never outranks a proven one.
Best Locke Runes vs Diana
Usual Locke runes (Mid)
Electrocute
48.0% win rate · 875 games
Against Diana
Electrocute55.0% win rate · 20 games
Locke matchup data for League of Legends patch 26.18. The table below shows Locke's win rate, gold difference, and performance stats against every champion in the current meta. Click any champion name to see a detailed head-to-head breakdown including the best Locke build, runes, laning stats, and early vs late game analysis for that specific matchup.
Other Locke Matchups
Hardest for Locke
Easiest for Locke
Win rate and games for each matchup. Lists are ranked by the edge of the 95% range so small samples cannot top them; matchups with at least 50 games only.
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Locke vs Diana FAQ - Patch 26.18
Who wins Locke vs Diana?
Current data slightly favors Diana, but the sample is too limited for a strong conclusion: Locke wins 45.2% of 73 games (95% range 34.3–56.6%).
What is Locke's win rate against Diana?
Locke wins 45.2% of 73 Mid games against Diana on patch 26.18 (95% range 34.3–56.6%). Based on both champions' overall Mid win rates, 47.7% would be expected.
Does Locke counter Diana?
Not clearly. Locke wins 45.2% of 73 games against Diana, and the 95% range (34.3–56.6%) includes 50%, so neither champion reliably counters the other on current data.
Who wins lane, Locke or Diana?
Diana usually wins the lane: 413 gold ahead of Locke at 15 minutes on average (73 games with a 15-minute snapshot).
Does Locke outscale Diana?
There are too few games of each length to tell yet.
When is Diana strongest against Locke?
Diana is measurably ahead in: Lane (15 min).
What should Locke build against Diana?
There are not enough games for a matchup-specific core, so use Locke's usual Mid core: Stormsurge, Lich Bane, Mejai's Soulstealer. The biggest change against Diana: Doran's Ring + Health Potion + Health Potion + Stealth Ward (31.9% usually, 19.2% here).
What runes should Locke use against Diana?
Electrocute with Domination and Precision — 55.0% over 20 games against Diana. The biggest change against Diana: Coup de Grace (2.8% usually, 6.8% here).