Story
Reinforcements are set to arrive, but there are not enough transformation potions for them. Before leaving the forest, Sthen asks you to gather materials to prepare more. Gather the transformation materials and a Balaur language manual.
After completion (spoilers)
"I'm glad I could be of help to your mission." Reinforcements are set to arrive, but there are not enough transformation potions for them. Before leaving the forest, Sthen asks you to gather materials to prepare more. You gathered the transformation materials and Balaur language manual, and were able to learn the Balaur language using a language artifact Sthen prepared. It should be useful when infiltrating the Nahid Brigade Fortress.