|This article needs additional images. You can help out Hexxit Wiki by adding images to the site and adding them to the article.
Creepball is an item added by Harken Scythe. It is an integral part of the Biomass planting system. It is used to create Creep Blocks by right-clicking on a block of Soul Sand then using a Glaive on the result to plant Germinated Biomass Seeds. Offering blood may speed up the growth rate.