📐 Mathematical proof ⚡ Patch 16.15.1 — ready 🎯 Matchup-specific

Not meta, math.
The right build for your matchup.

LoL Duel computes its advice not from popularity, but from a 1v1 duel simulation between your champion and the enemy — damage, durability, time-to-kill. When Riot ships a patch, the math updates that same day.

Pick your champion and opponent — analysis in seconds
Your Champion
VS
Enemy Champion
Lane

Why LoL Duel?

Other sites show you "the most picked." We compute "the mathematically most correct."

📐

Mathematical proof

Every item, rune and spell comes from a duel simulation: DPS, EHP, time-to-kill. The result page shows the formulas and numbers — we don't say "everyone builds this," we show you why.

Ready on patch day

Stat sites gather data for days after a new patch. Because LoL Duel computes straight from Riot's data, it gives the right advice the day the patch drops.

🎯

Matchup-specific

The advice isn't fixed: is the enemy AD or AP, a tank, what did they buy? Armor or magic resist? The model adapts to the matchup instead of a cookie-cutter build.

🎮

In-game automatic

Game Mode reads live data from your client: enemy items, your gold, game time. It says "buy this now" and applies runes in one click — no time wasted reading.

How it works

Three steps — no sign-up, no clutter.

1

Enter your matchup

Your champion, the enemy and the lane. If you like, use "Find Counter" to pick the best answer to the enemy.

2

The math runs

The model fights the two champions using this patch's real numbers and derives the highest-gain item / rune / spell order.

3

Apply and win

Item order, rune page, spells and skill order — each with its reasoning. Game Mode keeps it live during the match.

Three modes, one tool

What sets us apart

TopicStat sitesLoL Duel
Advice sourceCommunity preference / popularityDuel simulation — math
New patchWaits days for dataReady on patch day
Matchup fitUsually a fixed buildAdapts to the matchup
"Why?"Rarely explainsShows formula + numbers
In-gameSeparate app / manualLive automatic + one-click runes