"She need more Iron for understanding," Guide explains to you with swift hand motions as the A'Dendri looks over your many weapons and armor pieces. "She want trade," Guide Knocks. Whatever they are attempting here, they seem to want your metal for it, and are offering some sort of plant in return.

EACH OATHSWORN MAY TRADE 6 IRON FOR EITHER A +2 ANIMUS TOKEN OR TO DISCARD ONE INJURY CARD BACK TO THE INJURY DECK

The 'Herbalist' returns to her work mixing compounds with soil. It seems this entire structure is given over to this undertaking. You wonder what its purpose is, but after your negotiations the 'Herbalist' seems disinterested in communicating with you further.