Now you need to collect (or have) 3 Taproots. These can be bought from alchemist like Elynea Mothren, from killing Spriggans or from the sources that simply have it. You want to have at least 1 - 2 Taproots before heading for the Headwaters of Harstrad.
- 2 samples can be found on the Alchemy Lab inside Severin Manor
- 3 pieces can be found inside Ienth Farm
- An unmarked island North of Frossel has 3 Spriggans on it.