Great Sak

 is an idol.

Obtaining

 * Crafted by a Shield Smith (Lv. 176) from
 * 2 Ougaa Essence
 * 4 Pyrute
 * 3 Sparkling Pebble
 * 3000 Nugget
 * 15 Tourmaline
 * 1 Blue Boxers
 * 10 Treecherous Bark
 * 10 Gluttonous Brockhard Tail