This article is part of a directory: Like a Dragon: Infinite Wealth Guide Hub (Jobs, Weapons, Dondoko Island, Substories, & More)
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Like a Dragon: Infinite Wealth features a wide range of quirky jobs for Kasuga Ichiban and his party mates to choose from, each relying on powerful weapons including vacuum cleaners, handbags, and baseball bats. Many of these weapons can be purchased with money from specialized stores in Hawaii and Japan. Additionally, the player will often come across weapons contained in suitcases and safes during the party’s adventures.

However, many of the most powerful weapons in Like a Dragon: Infinite Wealth can be obtained only through crafting at Julie’s Gearworks. Players can easily check which materials are needed for each crafted weapon by using the workshop’s app on Kiryu or Kasuga's smartphone. Julie’s Gearworks can be upgraded to Level 4, at which point the player gains access to powerful brands and the ability to craft high-quality, 7-star weapons.

lad infinite wealth upgrade weapons
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Like a Dragon: Infinite Wealth - How to Upgrade Weapons

This guide explains when players are able to upgrade their weapons in Like a Dragon: Infinite Wealth and details how the upgrade system works.

To craft these weapons, players will need to collect various materials including Crystals, a refined form of Geodes received by exchanging elemental fragments. Players will also need to get their hands on rare crafting items which are available primarily through exchanges with specific vendors. Empty Cough Drop Tins are a crafting material required by numerous weapon crafting recipes. Here's where players can locate these essential crafting items in Like a Dragon: Infinite Wealth.

Like a Dragon: Infinite Wealth Empty Cough Drop Tin Locations

Yokohama Underground Exchange

Speaking with Utamaru to spend Geomijul's Survey Data in Like a Dragon: Infinite Wealth.

The Yokohama Underground Exchange is the most reliable source for obtaining Empty Cough Drop Tins in Like a Dragon: Infinite Wealth. Upon reaching Infinite Wealth's Chapter 10, the Yokohama Underground dungeon becomes accessible in Isezaki Ijincho.

Kiryu and the party can navigate this deep dungeon in Like a Dragon: Infinite Wealth, clearing floors by defeating enemies and mini-bosses. Enemies will drop Geomijul's Survey Data, a special currency that can be exchanged for helpful items. Players will also frequently obtain this resource by collecting sparkling items throughout the dungeon.

Purchasing Empty Cough Drop Tins in Like a Dragon: Infinite Wealth

Kiryu can purchase Empty Cough Drop Tins for 2,000 Geomijul's Survey Data by speaking with Utamaru at the entrance to the Yokohama Underground. Utamaru keeps an unlimited supply Empty Cough Drop Tins in stock, so players will have more than enough available to craft high-quality, 7-star weapons for each of Like a Dragon: Infinite Wealth’s jobs.

Squid Tentacles in Like a Dragon: Infinite Wealth
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Like a Dragon: Infinite Wealth - How to Get Squid Tentacles

Here's where players can get their hands on Squid Tentacles for crafting weapons in Like a Dragon: Infinite Wealth.

Other Methods

Players have a low chance to receive Empty Cough Drop Tins by defeating enemies in later chapters of Like a Dragon: Infinite Wealth. Players can also get 10 Empty Cough Drop Tins by purchasing Like a Dragon: Infinite Wealth's paid DLC "Gearworks Crafting Set (Large)" bundle or included with Like a Dragon: Infinite Wealth’s Ultimate Edition.