Blast Mastery

 is an achievement in Fallout: New Vegas which is awarded for successfully dealing 10,000 points of damage with energy weapons. The icon shows Vault Boy using a Plasma Defender.

It is also an in-game challenge with the slightly different name Blaster Master.

Behind the scenes
Like the Metal Master armor-Metal Blaster combo and raider Blastmaster armor, the title and icon of this achievement and the name of the related challenge are references to Master Blaster.