Scroll of Strength

Source
This item can be purchased for from:
 * in Elwynn Forest
 * in Stormwind City
 * in Arathi Highlands
 * in Undercity
 * in Thousand Needles
 * in Dustwallow Marsh
 * in Mulgore
 * in Ghostlands

This item can be looted from most level 14-30 Humanoid monsters.