Locate a Cartographer Villager and trade for an Explorer Map if available
Search for Trial Chambers underground in the Overworld
Explore deep underground areas below the surface
Use the /locate structure trial_chambers command if cheats are enabled
Look for tuff, copper, and trial spawner blocks as signs of a nearby chamber
Mine through large cave systems and deep slate layers
Follow generated corridors and rooms connected to the chamber
Check areas around Y-levels where underground structures commonly generate