void main() {
    boolean last_encounter_was_silent_wanderer = false;

    // props starting with underscores are automagically reset at
    // rollover, which suits us perfectly.
    int last_seen = get_property("_last_wanderer_seen").to_int();
    int curr_turn = my_turncount();

    if ( last_seen == curr_turn ) // free turn after wanderer
        return;

    if ( my_location() == $location[none] ) // copy
        return;

    monster m = last_monster();
    int delta = curr_turn - last_seen;

    if ( delta < 5 ) // too soon! clingy or copy.
        return;

    if ( m == $monster[none] ) {
        // ffs mafia.
        // Thanks Barry!
        // Try not to use this, since it lives across rollovers.
        string monster_name = get_property("lastEncounter");
        matcher wanderer_matcher = create_matcher(
            "wh15p3r|whisper|murmur|silent scream|5113n7 5cr34m",
            monster_name
        );

        if ( wanderer_matcher.find() )
            last_encounter_was_silent_wanderer = true;
    }
    else {
        switch ( m.manuel_name ) {
            case "silent scream":
            case "voiceless whisper":
            case "mouthless murmur":
                last_encounter_was_silent_wanderer = true;
        }
    }

    if ( !last_encounter_was_silent_wanderer )
        return;

    set_property("_last_wanderer_seen", curr_turn);
    if ( last_seen == 0 ) // first fight of the day
        return;

    int delta_for_timer = delta - 1;
    cli_execute("/timer " + delta_for_timer + " silent wanderer 0-4 turns after this expires");

    return;
}