Major Air Bulwark

 is a trophy.

Obtaining

 * Crafted by a Shield Smith (Lv. 100) from
 * 10 Adventurer Skull
 * 10 Jumpy Fleas
 * 10 Zoth Smoke Machine
 * 2 Solar Pebble
 * 2 Sparkling Pebble
 * 1 Air Bulwark
 * 1 Ardonite
 * 1 Forest Essence