Ash Block

The Ash Block is a block that covers the upper section of The Underworld, and the lower 'ground' layer in which Hellstone is encased. Used for building and for growing Fireblossom.

Since it's easy to find, comes in great quantity, and is not corruptible, it is a useful material for creating barriers to stop the spread of Corruption, Crimson, and the Hallow when in Hardmode.

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