The labor union's most powerful weapon is the strike.
the most powerful weapon is the lost katana it is +110
the most powerful weapon is the supernova lvl 99. that is the mega version of the harbinger
The weapon of the King of the Gods, Zeus, had to be the most powerful. Otherwise, he would be overthrown by the other gods. Thus, it was his thunderbolt that was the most frightening weapon.
a nuke
canyon
A thermonuclear warhead
the cannons
power and the government
France is part of the "nuclear club" so we would assume that the most powerful weapon in France is some kind of Hydrogen bomb/warhead.
Castle bravo is the most powerful bomb ever IN THE US
the level 20 default sword is probly the most powerful
Probably the siege gun.