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Last Epoch Building
What it is
Last Epoch Building is a free build planner and DPS calculator for Last Epoch. Its Windows desktop application works offline, while a separate Weaver Tree planner runs in a browser. The planner includes passive trees for every class and mastery, plus skill trees for every skill with full node support. Its calculations cover damage from hits, triggered skills, minions, conversion, and ailments, as well as defenses such as armor, dodge, block, ward, resistances, and endurance. Equipment and crafting simulations include uniques, legendaries, set items, idols, and blessings. You can import characters from save files or through Maxroll, and the homepage also accepts Last Epoch Tools planner links. Builds can be shared by short link or offline code; Markdown notes include a live preview. The maker says the app has no accounts, advertising, or analytics. It is verified compatible with Last Epoch 1.4.7, with limited support for 1.2 and 1.3 builds. The maker cautions that the planner is a model and the game is authoritative when they differ.
For and against
For
- Windows desktop planner works offline.
- Covers passive trees for every class and mastery.
- Models damage and multiple defensive stats.
- Imports characters from saves and supported planner sources.
- No accounts, advertising, or analytics.
Against
- The desktop app is distributed as a Windows build only.
- Linux through Wine is not officially supported.
- Support for game builds 1.2 and 1.3 is limited.
- Calculations are a model; the game takes precedence.
The verdict
Last Epoch Building brings tree planning, equipment simulation, and damage calculations into a free tool with offline desktop use. Keep its stated game-version coverage and model caveat in mind when relying on a build calculation.
Who it suits
It suits Last Epoch players who want to plan character trees, gear, and damage calculations offline or use the browser-based Weaver Tree planner. Windows is the official desktop platform; Linux use through Wine is community-tested but not officially supported.
Plans and prices
Free
No account · No advertising · No analytics · Nothing behind supporter contributions
Read 5 Oct 2026 · lastepochbuilding.com
On the record
- Browser tool
- The site offers a Weaver Tree planner that runs in a browser.lastepochbuilding.com · read 5 Oct 2026
- Build planning
- It supports passive trees for every class and mastery and skill trees for every skill with full node support.lastepochbuilding.com · read 5 Oct 2026
- Build sharing and notes
- Builds can be shared by short link or offline code, and the planner includes Markdown notes with live preview.lastepochbuilding.com · read 5 Oct 2026
- Character imports
- Characters can be imported from a save file or through Maxroll, and the homepage also says it accepts Last Epoch Tools planner links.lastepochbuilding.com · read 5 Oct 2026
- Data and calculation caveat
- The project says game data is read from the game's files and calculations are checked against imported real saves, but notes that the planner is a model and the game is authoritative when they disagree.lastepochbuilding.com · read 5 Oct 2026
- Desktop app
- The planner is a Windows desktop application that works offline.lastepochbuilding.com · read 5 Oct 2026
- DPS and defenses
- It calculates DPS for hits, triggered skills, minions, conversion, and ailments, and models defenses including armor, dodge, block, ward, resistances, and endurance.lastepochbuilding.com · read 5 Oct 2026
- Equipment and crafting
- It simulates equipment and crafting, including uniques, legendaries, set items, idols, and blessings.lastepochbuilding.com · read 5 Oct 2026
- Game version support
- The project says it is verified compatible with Last Epoch 1.4.7, with limited support for 1.2 and 1.3 builds.github.com · read 5 Oct 2026
- Linux support
- The maker says the app is distributed as a Windows build only; Linux users can run it through Wine, which is community-tested and not officially supported.github.com · read 5 Oct 2026
- Maker
- The about page identifies uta666 as the one-person maker building the project in their own time.lastepochbuilding.com · read 5 Oct 2026
- Privacy
- The maker says the product has no accounts, advertising, or analytics.lastepochbuilding.com · read 5 Oct 2026
- Purpose
- Last Epoch Building is a build planner and DPS calculator for Last Epoch.lastepochbuilding.com · read 5 Oct 2026
- Support
- The maker welcomes feedback, bug reports, and feature requests through the project's contributing information.github.com · read 5 Oct 2026
