Explore far from your spawn area in new chunks
Look for dark purple terrain and corrupted-looking biomes
Search near deserts, plains, forests, and other overworld biomes
Use a map mod or waypoint system to track explored areas
Fly or travel quickly to cover more land
Check for Defiled Lands structures and corrupted blocks
Search underground and around surface edges of corrupted biomes
Increase world exploration until the biome generates naturally
Use the `/locate` command if cheats are enabled
Check biome finder tools or seed maps if available for your world