Kellophi Niirythelon's wagon

A half-elven trader in unusual and difficult to obtain substances. Often used in rituals, magical crafting, empowering potions, and even poisons.
      Despite being a large basket of a wagon, the interior space is small, accommodating both the "shop" and the meager living space of the merchant.
  Kelophi has a broach spectrum of herbs, spices, and basic spell components, but also has a locked cabinet with a number of fine glass vials with small labels hanging from them.
  Basilisk blood (2 vials)
Cures blindness or disease.
50 Crown   Firesand (2 vials)
On vial increases the effective level of a fire spell by 1. if there isn't a material component to the spell this adds an extra interact action.
25 Crown   Voidstone (2 vials)
As with firesand but for negative attack spells.
55 Crown   Boggard Bile (5 vials)
Can be used to create potions of water breathing.
5 Crown   Ground cockatrice beak (2 vials)
Can be used to brew a stone to flesh potion.
170gp   Cliff Drake Venom (1 vial)
As per Wyvern Poison. Or can be used to craft an antidote to Cliff Drake venom.
55 Crown   Ghost Dust (3 vials)
When flung at an incorporeal creature it becomes corporeal for one round, and subject to all attacks.
17 Crown   Hag vitreous fluid (2 vials)
Can be used to create a potion of see invisibility.
10 Crown each