League of Legends Tools
Three reference pages built on Riot's Data Dragon, the static data Riot publishes with every patch: what an ability costs, what an item grants, what a rune actually says. No Riot account, no summoner name, nothing that touches your game.
- Tools
- 3
- Own page
- 3
- In the app
- 0
- Sign-in
- never
- Source
- Riot Data Dragon
- Patch
- newest published
- Price
- free
- Ads / tracking
- none
Each page prints the patch number it loaded at the very bottom — that number is how you check the data in front of you is current.
01Reference3 tools
The three things the game itself defines — champions, items and runes — each on its own page, each read straight from the patch Riot has published.
What the reference actually covers
The Champion Reference is the deepest of the three. Search a champion and you get all five abilities — passive plus Q, W, E and R — each with its cooldown, resource cost and cast range at every rank, then base stats at level 1, Riot's own 0–10 attack, defense, magic and difficulty ratings, the class tags, and the "playing as" and "playing against" tips Riot ships with the champion.
The Item Reference covers purchasable Summoner's Rift items. Each one shows its stat block, its passive and active text in plain language, the total gold, the combine cost on top of its components and the sell value — and then the build path in both directions. Components and "builds into" entries are clickable, so you can walk a whole tree from a Long Sword upward without typing again.
The Runes Reference is the whole tree rather than a search box: Precision, Domination, Sorcery, Resolve and Inspiration, keystone row first, then the three minor rows underneath. Every rune expands to the long description — the one the game hides behind a tooltip you cannot read while the client is loading.
How patches are handled
None of this data lives on Lotamyst. Each page opens by asking Riot's Data Dragon for its list of published versions, takes the newest entry, and only then loads that patch's champion, item or rune file. There is no copy of the game data sitting on this site, which means there is nothing for anyone here to forget to update.
That cuts both ways, and it is worth knowing which way. The pages are exactly as current as Data Dragon is: Riot publishes a patch's static files close to the patch itself, usually within hours rather than minutes, and PBE content never appears at all. A champion released this week can trail by a patch. If a cooldown on screen disagrees with the one in your game, the first thing to check is the patch number printed at the foot of the page — it is the version the page actually loaded, not a version we typed in.
How the three fit together
Most questions cross all three pages. You start on the champion — does that ability scale with attack damage or ability power, is the cost mana or energy, what is the range you are actually trying to hit. Then the item — does it grant that stat, and what does the path cost before it does. Then the rune, which is usually the cheapest of the three changes to make.
Each page keeps what you are looking at in the address bar, so a link you paste opens on the same thing: the Champion Reference on a champion, the Item Reference on an item, and the Runes Reference on a path or a single rune. The tool pages link across to one another where it helps, and this hub is the one place all three sit side by side.
Questions
Do I need a Riot account or a summoner name?
No. These pages read Riot's Data Dragon — the public static data files Riot publishes alongside each patch — straight from your browser. Nothing asks for a login, nothing reads your match history or your rank, and nothing here can touch your account. They are a reference, not a companion app.
Where does the data come from?
Riot's Data Dragon, the official static data service. Each page asks Data Dragon for its version list, takes the newest entry, then loads that patch's champion, item or rune file. Every page prints the patch number it used at the foot, next to a link to Riot's documentation.
How current is it after a patch drops?
As current as Data Dragon is. Nothing is copied onto this site, so there is no stale snapshot for anyone to forget to update — the moment Riot publishes a patch's static files, the next page load reads them. In practice that lands within hours of the patch going live rather than the instant the servers come back up, and PBE content is never in there at all.
Why is a champion or an item missing?
A brand-new champion or a reworked item only appears once Riot has published it to Data Dragon, which can trail the PBE by a patch. The Item Reference also lists purchasable Summoner's Rift items only, so anything mode-specific, unbuyable or duplicated under the same name is filtered out on purpose.
Do these tell me what to build or who to pick?
No, and deliberately. There are no win rates, no tier lists and no pick rates here — only what the game itself defines: what an ability costs, what an item grants, what a rune says. Base stats are the level-1 values, so the numbers in a real game are higher once levels, items and runes stack on top.