starlight_6772

Billions of people were stranded on islands. Forced to play a survival game that could lead to death at every turn.

Only Baek Hyun obtained the resource Upgrade system 

Resource Upgrade system

Can upgrade resources found in treasure chest.

Can upgrade in quantity and quality

Cannot upgrade raw resources obtained through the trading channel or resources that were collected manually eg.wood from Chopping trees (manufacturing blueprints and other precious materials are an exception)

Precious materials such as manufacturing blueprints, weapons and expansion materials cannot be upgraded in quantity.

Upgrades will be based on core materials eg. A wooden stick cannot become a rifle.

Table of Island Survival I have an upgrade system

Table of contents

Volume 1