# \[Event\] Book of Enhancement: Weapon (Limited-Time) item

> Increases Honing Success Rate as follows: Honing Lv. 16-17: +10% Honing Lv. 18: +5% This item will disappear after the event. \[Targets: Gear\] When attempting to increase up to: Trial Weapon Honing Level 16-18 Chosen Weapon Honing Level 16-18 Preordained Diligence Weapon Honing Level 16-18 Harsh Oath

Canonical: https://lostark.wiki/database/items/event-book-of-enhancement-weapon-limited-time-40618015

*Legendary*

Increases Honing Success Rate as follows:  
Honing Lv. 16-17: +10%  
Honing Lv. 18: +5%  
  
This item will disappear after the event.  
  
\[Targets: Gear\]  
When attempting to increase up to:  
Trial Weapon Honing Level 16-18  
Chosen Weapon Honing Level 16-18  
Preordained Diligence Weapon Honing Level 16-18  
Harsh Oath Weapon Honing Level 16-18  
Demon Beast Strength Weapon Honing Level 16-18  
Covetous Whisper Weapon Honing Level 16-18  
Dominion Fang Weapon Honing Level 16-18  
Betrayal Instinct Weapon Honing Level 16-18  
Swamp of Yearning Weapon Honing Level 16-18  
Destructive Grasp Weapon Honing Level 16-18  
Charming Instinct Weapon Honing Level 16-18  
Earth's Entropy Weapon Honing Level 16-18  
Nightmare Flower Weapon Honing Level 16-18  
Shrieking Hallucination Weapon Honing Level 16-18  
Poem of Salvation Weapon Honing Level 16-18

## Facts

- **Tier**: 3
- **Shop sale**: Not for sale
- **Binding**: Bind on pickup

## Related

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- [Materials](https://lostark.wiki/database/items/category/materials)