Treant Sap

Treant Sap is a reagent.

Source
Treant Sap can be obtained as a drop from the following mobs:
 * Diseased Treant - East Shroud
 * Giant Treant - East Shroud
 * Old-growth Treant - East Shroud
 * Sylphlands Sentinel - East Shroud
 * Dryad - North Shroud
 * Great Oak - North Shroud
 * Snakemolt Treant - South Shroud
 * Treant - South Shroud

Uses
Treant Sap is used in crafting the following items: