A Bolt from the Blue is an achievement that requires the player to smith and fletch 10 rune bolts at once within Varrock requiring 1 rune bar and 10 feathers.
- Smith 10 runite bolts (unf) with 1 rune bar.
- Attach feathers to the runite bolts (unf).
- This achievement used to be a task prior to the release of the Achievements System on 18 April 2017.
- "A bolt from the blue" is an idiom referring to a sudden and unexpected event.