Gigrite said she wanted to create a preventative medicine to deal with the undead problem. She needed to analyse the poison from Beritra's Weapon, but needed a special container collect it. She said that Honir, an Alchemy Master in Pandaemonium, would make Durable Potion Bottles if he had the materials, and asked if you would gather them for her. When you brought the materials to Honir, he got started on the bottles right away.