经验公式、等级 ↔ 经验值与附魔成本详解
在 Minecraft 中，经验（XP）以发光的绿色球体收集，填满你的等级条。等级用于附魔、铁砧修理和重命名。达到 30 级——顶级附魔的上限——恰好需要 1,395 点总经验。
In Minecraft, experience (XP) drops as green orbs and fills your level bar. Levels are spent on enchanting, anvil work and renaming. Reaching level 30 — the cap for the best enchants — takes exactly 1,395 total XP. The experience formula has three pieces, and each enchanting-table slot really costs only 1/2/3 levels plus the same amount of lapis lazuli.
This guide covers the cumulative-XP and per-level formulas, worked examples (level 30 = 1,395 XP, level 16 → 17 = 42 XP), the truth about enchant cost, where XP comes from, and how the calculator does all of it and writes the /xp command for you.
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