Coilskar Chest Key

Source
This item drops from:
 * Coilskar Defender in Shadowmoon Valley
 * Coilskar Siren in Shadowmoon Valley
 * Coilskar Myrmidon in Shadowmoon Valley
 * Coilskar Muckwatcher in Shadowmoon Valley
 * Lady Shav'rar in Shadowmoon Valley
 * Coilskar Screamer in Shadowmoon Valley
 * Coilskar Sorceress in Shadowmoon Valley
 * Keeper of the Cistern in Shadowmoon Valley
 * Coilskar Waterkeeper in Shadowmoon Valley

Coilskar Chest Key as a quest objective
This item is an objective of.