Major Powerhouse

 is a trophy.

Obtaining

 * Crafted by a Shield Smith (Lv. 100) from
 * 10 Miremop Tooth
 * 10 Zoth Pipe
 * 10 Adventurer Skull
 * 2 Sparkling Pebble
 * 2 Solar Pebble
 * 1 Forest Essence
 * 1 Powerhouse
 * 1 Ardonite