I don't quite understand what "samurai's edge" is.
Features: 50% protection against kills, determines their own scent each night.
Night Action: Once every two nights, can infect a target with an experimental virus. The infected target spreads the virus to their own targets. Blocks, redirects of Night Actions, stealing of Night Actions and votes, and kills of infected targets do not affect Alveesk.
Night Action 2: Kill.
Weapon: samurai's edge.
Scent: -