Hardened Tumor

Hardened Tumor dropped from the following murlocs in Silverpine Forest:
 * Vile Fin Lakestalker
 * Vile Fin Oracle
 * Vile Fin Shorecreeper
 * Vile Fin Shredder
 * Vile Fin Tidecaller
 * Vile Fin Tidehunter

Objective of

 * A Recipe For Death (3)