Orichalcum is one of the hardest materials to find in Dragon Quest 11: Echoes Of An Elusive Age. Despite being so rare, there are too many weapons and equipment needed in the late game, and you won't get past many of these naturally even when completing much of the side content in the game.
While it is possible to farm this resource, there are some limitations to it, and you won't be able to invest a lot of time in acquiring how many you need, as the game will naturally determine how often you get a single piece. Here's how to grow Orichalcum and the restrictions around doing so.

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How to farm Orichalcum in Dragon Quest 11
Orichalcum is farmed from blue crystal clusters in a few select locations in the game. Once one of these crystal clusters is mined, you must leave that area and return about ten to fifteen minutes later for the crystal to refill. The most reliable and easily accessible place is found in the end game location The Battleground. Travel to this location and explore it until you reach the campsite located halfway through the dungeon.
This campsite will act as a fast travel location, and from there you will continue through floor 4 to the vine leading to the lower level. Now at level 8, follow the narrow path back into the tunnel to see a blue crystal straight ahead, though this one won't drop Orichalcum. Turn right and head up the large winding slope to gate door on level 9. The gated door can be opened with the Ultimate Key, and along the back wall will be a blue crystal cluster that will always spawn an Orichalcum. Travel here every fifteen minutes to slowly farm Orichalcum.
Inside the gated room will be a large monster that can be easily avoided by hugging the edge of the room to the back where the crystal is.
Notable recipes that need Orichalcum
Although there are many recipes that call for Orichalcum, the following recipes are some of the best:
- Meteorite holder
- Minerva's tiara
- Elfin Charm
- Talon of Heaven
Meteorite Bracers increase a character's agility by 100 even in their base form and are good for most party members like agility helps them go first in battle. It's also useful because Agility works on all party members, so crafting one and finding a better accessory for that party member later means you can equip it on anyone to make sure your Orichalcum wasn't wasted.