world_script:
    type: world
    events:
        on player right clicks skull:
        - give stone
        - define location_list li@l@120.0,5.0,-436.0,world2|l@116.0,4.0,-440.0,world2
        - if <def[location_list].contains[<context.location>]> && !<player.flag[skull_locations].as_list.contains[<context.location>]> {
            - flag player skull_locations:->:<context.location>
            - give stone
        }