Obsidian Chest

The Obsidian Chest is a storage compartment from the Iron Chests mod. It has the same inventory space as the Diamond Chest with 108 slots but is completely blast resistant and will not be destroyed by any kinds of explosions.

Recipe
The Obsidian Chest is crafted with eight Obsidian and a Diamond Chest.

Upgrading to a Obsidian Chest
A Diamond Chest can be upgraded to an Obsidian Chest using a Diamond to Obsidian Chest Upgrade. It is crafted with eight Obsidian and one Glass. Apply the upgrade by right-clicking on the Diamond Chest with the upgrade in hand.