Finding the Frightcorn Seeds to be odd, Tigg wants to examine the Frightcorn itself. Pick some Frightcorn in the MuMu Farmland and take them to Tigg.
Step 1. Pick Frightcorn in the MuMu FarmlandFarmland to the south of Moslan Forest, occupied by the MuMu Skurvs. and take them to TiggHe makes a living gathering herbs around the Moslan Crossroad in the Moslan Forest in Altgard.. (You need to collect: Ripened Frightcorn)
Step 1.3 Report back to Tigg for reward