Alchemist and fan of good ale.
Basil is a friend of the PCs. He’s hired you from time to time to help him acquire certain rare and exotic materials he needs for his work. He was who helped you get the three suits of Leaf Armor that Amatae, Quatra and Walril wear at a good discount.
Basil is a good source of information regarding magic potions and anything having to do with alchemy.
A robust man with a healthy appetite and love of ale Basil Kasmain is from a long line of alchemists. He runs a small shop in the mercantile district where he sells his wares and has a modest home over the shop.