Collect 5 books from the collector, via the quest for the book from the collector, or dropped by the Obsidian Assassins, and give them to King Centaur, located in the city of the Centaurs.

Gain:

• Lion ring
• 3,750 XP per level

In total, 1 lion ring will have cost you 375 Scalps of Moon Tug!

You can complete this quest at will.