Meridian Zero is a League of Legends matchup tool and OP.GG alternative built for one job: pick your lane, champion, and opponent, then get exact win rates, power spikes, and winning builds before queue.
Meridian Zero covers 249 champion-lane combos and 10,247 matchup pairs with Emerald+ ranked data from OP.GG. As a League of Legends matchup tool and OP.GG alternative, it focuses on one thing: pick your lane, champion, and opponent — then get exact win rates, gold differentials, and power spikes before you lock in.
Source: OP.GG Emerald+ ranked data, Patch 16.5 · Last updated: March 2026 · Meridian Zero Analytics
Meridian Zero is a free League of Legends matchup analysis tool covering 249 champion-lane combinations and 10,247 matchup pairs using Emerald+ ranked data from OP.GG. It provides real-time tier lists, optimal builds, rune pages, skill order priority, and AI-powered matchup coaching for Patch 16.5. Free tier includes 10 champions per lane with no account required. Pro ($7.77/mo) unlocks all 249 champion-lane combos with AI matchup analysis. Elite ($14.99/mo) adds a Windows desktop overlay and in-game coaching.
Win rates, pick rates, and ban rates sourced from OP.GG Emerald+ ranked games every patch. S+ through D tier ratings so you always know what's strong and what to avoid.
Head-to-head analysis for every champion vs. every opponent — difficulty rating, gold diff at 15, power spikes, and trading windows. Know if it's Easy, Medium, or Hard before you lock in.
Current-patch item builds, rune pages, skill orders, and summoner spells for every champion in every lane. No guesswork — just what the data says wins.
Real-time in-game overlay with voice callouts coaching you through trades, objectives, and power spikes as they happen. Powered by ElevenLabs. Coming with the Elite tier.
Stop guessing. Know the win rate, power spikes, and exact builds for your specific matchup before the loading screen.
Try It Free →
Every patch our Emerald+ data surfaces S-tier champions that the meta hasn't caught up to yet. Anivia top at 55.3% WR. Nobody is playing it. Now you know.
Find Your OP Pick →Meridian Zero is built to answer the exact matchup questions League players search for: what to pick, how to build, and what wins on the current patch.
Meridian Zero is a League of Legends matchup tool that gives you exact lane-specific win rates, builds, runes, and power spikes before the loading screen.
Read the matchup tool guide →It focuses on one workflow: your lane, your champion, and your opponent. That makes it faster and more specific than broad profile-driven stat sites.
See the OP.GG alternative page →Meridian Zero uses Emerald+ ranked data, patch-specific matchup stats, and lane-by-lane champion pages built to help players act on the current meta.
View the Patch 16.5 meta page →