MIO Memories in Orbit has many secrets, backtracking, and items that sometimes don’t make sense until you reach a certain point in the game. One such item is called the Old Fashioned Key.

At multiple points in the game, you will come across locked doors that requies the Old Fashion Key but what is this key? Where to find it? MIO Memories in Orbit doesn’t tell you that so it becomes a bit annoying.

The simple solution to this issue happens when you reach a certain point in MIO Memories in Orbit. You then get this key and can access a library area.

Old Fasioned Key Location in MIO Memories in Orbit

You can only obtain the Old-Fashioned Key after defeating the boss Calderon. Calderon is encountered in the Metropolis area, deeper into the game’s map. This boss battle is a required part of progressing the main story, and you’ll need your Hairpin ability (and the Hairpin Energy refill) to reach the arena where the fight begins.

Cauldron boss fight arena location MIO Memories of Orbit

Calderon boss is located in Metropolis so you’ll have to first beat Egis for the Hairpin and then Crow to finally be able to reach Cauldron boss.

Cauldron boss arena in MIO Memories in Orbit

Once the boss is down, a room to the right side of the arena opens up. Head inside to find pick up the Old Fashioned Key.

Old Fashioned Key Location in MIO Memories in Orbit

Where and How to Use the Old-Fashioned Key

After you’ve collected the Old-Fashioned Key, your next objective is to reach the locked door that leads into the Hall of History.

That locked door is located near the Calderon fight arena in the Metropolis area. If you backtrack toward the section you were exploring before the boss room, you’ll see the door requiring this key. It is actually right above the boss arena, refer to the video above for the location.

You don’t have to do anything. Just stand near the locked door and the key is used automatically. The door is then permanently unlocked so you can access it annytime in MIO: Memories in Orbit.

Inside the Hall of Hisotry you can find the grapple points that take you toward the Foundations region and Overseer Pathway to the Nexus Attuner. Thus, allowing you to move the game’s story forward.

  • Jake Bishop

    Hi I am Jake, founder of Clawsomegamer. I report on the latest news and occasionally write the best video game walkthroughs and guides for you.
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