Off-hand Epic

Blue Leather Tome青い革製の本

An ancient book with stitched blue covers. Is that skin?

In-game description
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Blue Leather Tome stats and effects

Level Lv.9 (up to Lv.20 when upgraded)
Effects when equipped
  • +9.6% magic damageLv.20: +19.8% magic damage
  • +1.5 mana every secLv.20: +3.4 mana every sec
Set bonus

Skull Necklace, Skull Ring, Blue Leather Tome

  • 3 pieces: All nearby enemies burn for 45 damage every other sec

Skull Set guide (stats, recipes, upgrade costs, rating) · List of armor sets

Compare in the rankings: Best melee build Best ranged build Best magic build Best minion build Upgrading Gear

Unless a note on the page says otherwise, numbers are read from the game files of Core Keeper 1.3.0.6 (prefabs, configuration files, drop tables and the game's program) and calculated by this site, including upgraded (per-level) values, sell prices and mana costs. Names and descriptions are the game's official English text. Only reinforcing materials, minion and pet attacks and some food values are based on the Core Keeper Wiki (Fandom) data (CC BY-SA 3.0). Core Keeper and its images are © Pugstorm. This is an unofficial fan site.

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What is Blue Leather Tome? Features and uses

Blue Leather Tome is an epic item in Core Keeper (Off-hand). Its base level is 9, and it gives +9.6% magic damage and more. It is crafted from Ancient Gemstone ×8, Fiber ×8.

Blue Leather Tome key points (from the game data)

  • Upgrading to level 20 raises its effects: +9.6% magic damage → +19.8%, +1.5 mana every sec → +3.4.
  • Upgrading from level 9 to 20 costs 4,059 Ancient Coins plus bars.
  • Part of a 3-piece set. Wearing 3 pieces gives "All nearby enemies burn for 45 damage every other sec".
  • Sells to merchants for 111 Ancient Coins.

Calculated and summarized by this site from the game data (1.3.0.6).

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How to craft Blue Leather Tome (materials)

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What you get from salvaging Blue Leather Tome (Salvage and Repair Station)

Blue Leather Tome can be salvaged. Salvaging it gives the following items.

For each material, the amount is "amount used to craft × 0.49 (lower when durability is down, 0.3 at 0 durability) × the item's multiplier", and a fraction is the chance of one more (2.4 means 2, with a 40% chance of 3). The range is from 0 durability to full durability (items without durability always count as full). Scrap parts are a fixed number set by the item level. All items that can be salvaged are listed in salvaging.