How do I get Uncommon Experience Book in Mongil: Star Dive?

Uncommon Experience Book drops from 132 monsters (best rate 20%). Clear 6 dungeon stages to obtain it. 11 quests reward it. Awarded by 5 progression track entries (Season Pass / login).

What is Uncommon Experience Book used for?

Uncommon Experience Book is a experience book item. Use it directly from your inventory.

Can Uncommon Experience Book be crafted?

Uncommon Experience Book cannot be crafted. It can only be obtained from drops, quests or the listed sources.

What rarity is Uncommon Experience Book?

Uncommon Experience Book is a tier 2 book exp item.

Is Uncommon Experience Book worth farming?

Uncommon Experience Book has no downstream recipes — only farm what you need for active quests or buffs.

Mongil Codex · mongil.items.category.BOOK_EXP

Uncommon Experience Book

Tier 2 item

Uncommon
mongil.items.category.BOOK_EXP
mongil.items.itemType.BOOK_EXP
Quest reward

A material that provides Character EXP.

Last updated May 2026 · Verified for the latest Mongil: Star Dive build

Last reviewed by Trakan — May 13, 2026

Character EXP+2,000per item

Where to farm

132 monsters drop this item in the field.

Show 124 more

Obtained From

155 sources across 5 categories.

Dropped by

… and 107 more

Dungeon clear

Experience Training Difficulty 1EXP · Lv. 10
Experience Training Difficulty 2EXP · Lv. 20
Experience Training Difficulty 3EXP · Lv. 30
Experience Training Difficulty 4EXP · Lv. 40
Experience Training Difficulty 5EXP · Lv. 50
Experience Training Difficulty 6EXP · Lv. 60

Quest reward

The Molemain · 33.3% · ×5
Ominous Feelingmain · 50% · ×5
Legend of the Monasterymain · 50% · ×5
A New Hopemain · 33.3% · ×5
What Now?main · 50% · ×5
The Rag-Tag 9th Brigademain · 50% · ×5
Neither Close nor Distantmain · 50% · ×5
Orc Attackmain · 33.3% · ×5
To the Battlefieldmain · 33.3% · ×5
Amon's Schememain · 33.3% · ×5
Bad Barriersmain · 50% · ×5

Treasure chest

Available in some chests

Season Pass

Season Pass · Step 9×30
Season Pass · Step 19×30
Season Pass · Step 33×30
Season Pass · Step 49×30
Season Pass · Step 68×30

Comments

Guides

In-house guides re-tested every patch.

Guides and articles content remains in English.

Mongil: Star Dive — Beginner Guide

Adventure map, jumping, gathering and the first-week checklist — every core mechanic the in-game tutorial walks you through, written in one place.

Trakan

Updated Patch 1.0

Reroll Guide — Best Targets and Stop Conditions

Best characters to chase on a fresh account, the fastest reroll path, and when the meta says you should stop and commit.

Trakan

Updated Patch 1.0

Best Team Comps — Destroyer, Slayer and Flex Slot

How team building actually works in Mongil — the Destroyer + Slayer + flex template the Stagger system rewards, when to break it for element-locked counters, and the Brawler-led sustained-DPS variant.

Trakan

Updated Patch 1.0

Combat Basics — Hold Attacks, Switch Skills, Ultimates

Basic attacks, special skills, switch skills and ultimate timing — the hold-input combat system explained without the in-game popup spam.

Trakan

Updated Patch 1.0

Frequently asked

How do I get Uncommon Experience Book in Mongil: Star Dive?: Uncommon Experience Book drops from 132 monsters (best rate 20%). Clear 6 dungeon stages to obtain it. 11 quests reward it. Awarded by 5 progression track entries (Season Pass / login).
What is Uncommon Experience Book used for?: Uncommon Experience Book is a experience book item. Use it directly from your inventory.
Can Uncommon Experience Book be crafted?: Uncommon Experience Book cannot be crafted. It can only be obtained from drops, quests or the listed sources.
What rarity is Uncommon Experience Book?: Uncommon Experience Book is a tier 2 book exp item.
Is Uncommon Experience Book worth farming?: Uncommon Experience Book has no downstream recipes — only farm what you need for active quests or buffs.