The spell can call up molten rock and fire. The spell word: "Flammamurus!"
In the seriesEdit
- Main article: White Night
In White Night, during the Battle of the Deeps at the White Court conclave, Harry cast the spell while fighting ghouls brought by Cowl and Vittorio Malvora. The wall was able to stop the ghouls for a short while, though it required a large amount of effort from Harry, almost overwhelming him.