[CLASS] Mad Scientist

Infect other users with one of the three following:

 - Frenzy: makes user go insane & start attacking other players, infecting them in the process.
 - Blindness: makes the user go blind
 - Panic: makes user panic, losing health over time

Note: there can only be 1 mad scientist per server, and there is a 1-hour cooldown per event.

You have to pick up the knife in the Mad Scientist spawn to start your rampage.