Backfire

Backfire is a general term for when an item is used to produce a beneficial effect and instead either inconveniences or outright harms its user. This effect mainly occurs in engineering devices.

Examples of items capable of backfiring include (but are not limited to):

•  [Gnomish Poultryizer]
•  [Gnomish Shrink Ray]
•  [Rocket Boots Xtreme]
•  [Dimensional Ripper - Everlook]