mob //it says invalid expression for this to
    Point(obj/o in world)
        icon = 'floor.dmi'
        icon_state = "Point"
        density = 0
        Enter()
            Level1 -= 1
            del o

mob
    Blue
        density = 1
        icon = 'Ghostys.dmi'
        NPC = 1
        proc/Move2()//first you name a new process(proc)
            while(src)
                sleep(1)
                step_rand(src)
        New()
//again we're using a proc, but this one is predefined by the developers of BYOND and is always called when the mob is created.
            spawn() src.Move2() // calls the Move proc defined above.
        Enter()