Key to Toxoliath's Cave

 is a key.

Obtaining

 * Made by a Handyman (Level 100) from
 * 1 Aspen Wood
 * 1 Frosteez
 * 1 Obsidian
 * 1 Scoliopode Leg
 * 1 Amorphid Wing
 * 1 Trechepeira Venom
 * 1 Sculucanus Pincer
 * 1 Necrotick Chitin