After finding a Nether fortress, I happened to find an area where normal Nether terrain generation and the fortress generation collides. In this area, when right-clicking, you can "despawn" natural Nether terrain with the fortress's terrain.
MC-7076
Nether Fortress - Right Click Modifies Terrain
Resolved
Duplicate
0
Bradley Stone
(Unassigned)
Unconfirmed
despawn, fortress, nether, rightclicking, terrain
Snapshot 13w02a
Retrieved
Duplicate of MC-5737.