Question: what is the most powerful weapon in fallout shelter?
Answer: Technician's Revenge. ... 
Relentless Raider Sword. ... 
Virgil's Rifle. ... 
Miss Launcher. ... 
Vengeance. ... 
Fire Hydrant Bat. ... 
MIRV. ... 
Dragon's Maw. Ignoring AoE or maximum damage, the Dragon's Maw is the most consistent, high damaging weapon in Fallout Shelter.