Samurai Sword
As a general rule, it’s advisable to ban weapons from a shared house. Otherwise, there may be a Mexican Standoff over whose turn it is to wash the dishes. One drug-abusing roommate kept a Japanese katana next to his bed as his fellow residents discovered.

“My first ever roommate came home one night from a rave,” ILoveYou_Jenny wrote. “I had a friend over who happened to be in the hall bathroom at the moment. (his bathroom) he proceeded to have a meltdown! He was on ‘special k’ at the time and tried to samurai sword the bathroom door down!”