Here are the possible solutions for light weapon clue
Answer
Clue
Relevancy
epee
Clue
Light weapon
Definition
(French) a sword similar to the foil but with a larger guard and a heavier blade of triangular cross section
lance
Clue
Light cavalry weapon
Weapon in the Charge of the Light Brigade
Definition
to pierce with a spearlike weapon
laser
Clue
Light weapon?
Light-ray weapon
Definition
a source of high-intensity optical, infrared, or ultraviolet radiation produced as a result of stimulated emission maintained within a solid, liquid, or gaseous medium