Phlebotinum

An ingredient used in potioncraft for the creation of potions that are more likely to impact the narrative, such as potions required to meet quest objectives.

Type

Metamaterial

Phlebotinum is the versatile substance that may be rubbed on anything to cause an effect needed by a plot. Examples include but are not limited to: nanotechnology, magic crystal emanations, pixie dust, and Green Rocks. In essence, it is plot fuel. Without it, the story would grind to an abrupt halt.

TV Tropes - Applied Phlebotinum