What it is
PoEDB is a complete web database of Path of Exile that extracts information directly from the game client through automatic datamining. It contains practically everything that exists in PoE: items, monsters, modifiers, gems, passives, league mechanics, areas, NPCs, quests, and much more.
It's maintained by the Taiwanese PoE community and exists in traditional Chinese and English versions. Despite the .tw domain, it's one of the most reliable and respected resources in the ecosystem, used by theorycrafters, guide creators, and developers of other tools as a primary reference.
What problem it solves
Path of Exile doesn't officially document most of its system. GGG publishes patch notes with main changes, but exact details — weights of each modifier, precise stats of each monster, specific drops from each area, modifiers that can appear on each item base — remain opaque to the player.
PoEDB solves this by exposing practically all the game's internal information in a navigable way. When you need to know:
What modifiers can this specific item have and at what tiers?
What exact resistances and life does this boss have at this level?
What monsters can drop this unique item?
In what areas do these specific monsters spawn?
How did this modifier change between the last patch and the current one?
PoEDB has that information available in seconds.
What people use it for
Build theorycrafting: when designing an advanced build and you need exact data on gem stats, item modifiers, or passive effects, PoEDB gives you precise numbers. Path of Building has the calculations but PoEDB has the original source.
Item research: you're considering buying a rare unique item and want to know exactly what modifiers it can have, in what slots they appear, and how possible rolls compare. PoEDB shows you the complete item with its roll ranges.
Boss preparation: before fighting a specific boss (especially endgame bosses like Shaper, Sirus, Maven, Uber bosses), consulting PoEDB shows you their exact stats, attacks, weaknesses, and mechanics. Knowing a boss has 80% fire resistance changes how you prepare.
Identifying drop sources: want to farm a specific item? PoEDB tells you which monsters drop it, in what areas those monsters spawn, and sometimes even drop probabilities if they're datamined.
Verifying changes between patches: when GGG balances things (raises/lowers numbers, adds/removes modifiers), PoEDB reflects those changes instantly. Comparing the current version with historical shows you what changed exactly.
Understanding new league mechanics: when a league launches with new systems (Sanctum, Affliction, Settlers, etc.), PoEDB usually has complete data within hours. While the community discovers the league by playing, PoEDB already has the modifiers, items, and mechanics indexed.
How it's used in practice
PoEDB has a search bar at the top. You search for whatever you want to know: "Mageblood", "Maven", "Frenzy Charge", "Cluster Jewel". It takes you to the specific page with all the information.
Each entity type has its own page format:
Items: name, icon, base level, possible modifiers with tiers and ranges, acquisition sources, change history between patches.
Monsters: complete stats (life, resistances, damage), spawn locations, known drops, specific attacks.
Modifiers: items they can appear on, weights by crafting method, tiers, required ilvl.
Areas: monsters that spawn there, tilesets, layout info, associated league mechanics.
Gems and skills: stats per level, requirements, quality modifiers, related gems.
Navigation between related pages is fluid — every reference is a link, so going from an item to a monster that drops it, to the zone where that monster spawns, is direct.
Honest limitations
It's not for beginners. The information is technical and assumes specific PoE vocabulary. If you don't know what a mod, weight, or tier is, pages feel like scattered information without context.
It has no guides or narrative explanations. PoEDB gives you data, doesn't tell you how to use it. That's the difference with PoE Wiki, which has editorial content. To understand "what to do with this information", you need prior knowledge or to consult other sources.
The interface is functional but not pretty. Dense tables, lots of information on screen, minimal visual design. It's clearly a tool made for utility, not for visual experience.
Some data requires technical interpretation. Modifiers with tags, numeric weights, damage formulas — information is complete but understanding how to apply it requires system knowledge. PoEDB is a technical manual, not a tutorial.
Only English and traditional Chinese. No localization to other languages, which is a barrier for Spanish-speaking players who don't handle technical terms in English.
The .tw domain can generate doubts. It's a legitimate and recognized project, but some users initially distrust the TLD. Worth knowing it's safe and reliable.
How to get started
Doesn't require installation or an account. You go to poedb.tw/us/ from any browser.
For your first time, the most useful thing is to search for something concrete you're trying to understand. Are you considering a unique item? Search for it. Going to fight Sirus? Search his page. Want to understand a specific modifier? Search for it. The tool is much more useful with a concrete objective than browsing casually.
If you arrive because someone recommended "consult PoEDB" for something specific, follow that recommendation with focus. The amount of information can overwhelm if you just navigate without purpose.
As you use PoEDB to solve concrete questions, you gradually learn to navigate the format, identify which tabs have what information, and build a mental map of what you can find where. It's the kind of tool where familiarity is built through repeated use over leagues.