Epee - a sword used in fencing.
A boomerang is a weapon that starts with the letter B, and returns to its owner when thrown.
Weapon is the answer
The Revolver
Flamethrower
Rifle or Rocket.
lancelandmineLuger pistol
epee
No river in Hungary starts with the letter E.
Yo-yo Which these days is a children's toy, but was originally a weapon.
An employment letter starts with the letter E. Perhaps an empathy letter to someone who is ill or bereaved.
Eggnog is a drink that starts with the letter E.