Where is the Iron Crown in Heavy Duty 4?

Jet 4 Iron Crown is in Ireland City.

"Metal Max 4" (Metal Max series) is a role-playing game series produced by Hiroshi Miyaoka and his game development company Crea-Tech. It was launched in Japan in 1991 Released on FC game console platform. It is the first generation product of "Junior 4: Moonlight Diva" and "Junior ~Ark of the Wild~".

Mech 1, or MM1 for short, is the beginning of the Mech series. In the era when DQ-style RPG was the dominant game, it featured the style of apocalyptic sci-fi western drama, dual systems of man and tank, and super The high degree of freedom, unique world view and open ending create a subversive innovation in RPG games. Won the 1991 FAMI Communication System Production Award and ranked first in the 1991 FC original work. Sales volume is approximately 150,000.

After the legendary destruction, all kinds of monsters became rampant in the world, and human civilization was on the verge of collapse. Bounty hunters exist in this special world as a profession that collects bounties by hunting monsters.

The protagonist is the son of a charioteer in Leorado Town. He was kicked out of the house by his father because he wanted to become a bounty hunter. During the subsequent adventure, he discovered that the super computer "Noah" wanted to wipe out mankind. Plan, the protagonist and his team eliminated Noah and silently saved the world.