Set Unique Weapons to Base Slots and Sync Slots, and increase their level by using the Weapon Sync feature in MementoMori. Read on to learn how to use and unlock Weapon Sync, as well as the benefits of using Weapon Sync.
List of Contents
| 1. | Start from the "Characters" screen. |
|---|---|
| 2. | Click on the "Weapon Sync" tab. |
| 3. | Set Unique Weapons to corresponding base slots for each sync slots. |
Unique Weapons must be set to all corresponding base slots for each sync slot. You can increase the level of Unique Weapons set to sync slots by enhancing Unique Weapons set to base slots.
Take note that Unique Weapons set to sync slots will sync their level to the lowest level Unique Weapon set to its corresponding base slots. Moreover, only unique weapons of Lv 300 or higher can be set to both base slots and sync slots.
Since Unique Weapons' level will sync to the lowest level base-slot weapon, it is worthwhile to strengthen the Unique Weapon you'll be using. To make your Unique Weapons even more powerful, use Adamantite and Tree of Life's Dew.
Use Tree of Life's Dews to awaken your character's SSR Unique Weapon to UR rarity and LR rarity. To Enhance your Unique Weapon, use Adamantite along with the required amount of weapon parts for enhancements.
Adamantite can be obtained by completing quests after Chapter 13 in the Main Quest, while Tree of Life's Dews can be bought with Diamonds from the Shop.
Take note that Unique Weapons cannot be leveled up beyond your character's current level.
So, it is recommended to level up your character to optimize these mechanics as well as to get more value from spent materials.
| How to Unlock Weapon Sync |
|---|
To unlock and use the Weapon Sync feature, you must reach Party Lv 360 or higher and possess 2 or more types of Unique Weapons at UR rarity or higher.
Through the Party Level Link System you can increase your max party level by getting LR characters.
The more LR characters you have, the more you can increase your max party level. However, do note that you can't increase max party level if you only simply get the same LR character multiple times.
To unlock the Party Level link system, all your party members should reach level 240.
You can start obtaining Unique Weapons once you reach Main Quest 13-22 and have access to gear gacha banners where you can get Magic Crystals to buy Unique Weapon parts with.
It's also recommended to use the Tree of Life's Dews to upgrade Unique Weapons to UR rarity or higher. You'll need about 15 Tree of Life's Dews to get UR rarity, and it'll require 50 Tree of Life's Dews to upgrade a Unique Weapon to LR rarity.
The Weapon Sync feature lets you enhance and easily increase the level of your eligible Unique Weapons. You can set a variety of Unique Weapons to base slots and sync slots, and strengthen them once they're set to proper slots.

| Trial Guides | |
|---|---|
| List of All Trials and Their Rewards | Cave of Space-Time Guide |
| Tower of Infinity Guide | Fountain of Prayers Guide |
| Tower of Souls Guide | Temple of Illusions Guide |
| PVP Guides | |
|---|---|
| When Should You Start Playing PvP | Battle League PvP Guide |
| Legend League PvP Guide | PvP Team Building Guide |
Weapon Sync Guide

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