Daggerspine Scale

Daggerspine Scales drop from the following naga in Hillsbrad Foothills:
 * Daggerspine Shorestalker
 * Daggerspine Shorehunter
 * Daggerspine Screamer
 * Daggerspine Siren
 * Lady Zephris

Objective of

 * Elixir of Agony (3)