The sea itself could be considered her weapon, for she controlled it - with that, she needed no weapon.
Doris.
No weakness is ever named in Greek myth.
Amphitritê loved sea creatures such as fish, dolphins, shellfish, shells and seals.
She turns people into monsters if they make her mad. But sometimes that comes in handy, so it can be either a talent, skill, trait, or a weakness.
weapon+poison
A tank is a weapon. A tomahawk is a weapon.
poison+weapon poison is snake+weapon(or tools) weapon is tools and human
That would vary from weapon to weapon.
weapon
She does not need a weapon.
A weapon that is visible
A weapon that can kill.