Korriander's Lair Key

 is a key.

Obtaining

 * Crafted by a Handyman (Lv. 100) from
 * 1 Aspen
 * 1 Crabeye Pincer
 * 1 Dramanita Gill
 * 1 Fistulina Volva
 * 1 Fungore Gill
 * 1 Obsidian
 * 1 Stunted Rat Fabric
 * 1 Treecherous Bark

Uses

 * Access
 * Korriander's Lair