Here are the possible solutions for cleo's death weapon clue
Answer
Clue
Relevancy
asp
Clue
Cleo's death weapon
Cleo's slayer
Cleo's killer
Cleo's undoing
Cleo's biter
Definition
a venomous snake, also ASPICK
laser
Clue
Death Star 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