Lightning spell

"...and as he took it, a shower of sparks flew from its tip, sparkling over the corpse of its last owner, ready to serve a new master at last."

- Voldemort steals the wand, seconds before casting this spell

This spell was used by Lord Voldemort in May of 1998 to test the strength of the Elder Wand, which he'd recently stolen from Albus Dumbledore.

Appearances

 * Harry Potter and the Deathly Hallows: Part 2