A Fun Way of Filling pits

Description: A bucket of filler is a bucket holding filler, a liquid that will convert from a source block and flowing blocks into whatever the ingredient block was when packed ice is adjacent to the source block.

Obtaining it: You have to place a rocky block into an active blast furnace's smelting slot that has a bucket in the fuel slot. The bucket will then have filler that will convert into whatever rocky block was smelted if it is placed near packed ice.

Pros: This addition can help players fill pits caused by explosions.