quest event_drop_moon_box begin
    state start begin
        when kill begin
                local level = pc.get_level()
                local rate = pc.getqf("rate")
                local limit = tonumber(get_mob_level[npc.get_race()])
                if level < limit+11 then
                    local drop = number(1,rate)
                    if drop == 1 then
                        pc.setqf("rate",rate+3)
                        game.drop_item_with_ownership(50011)
                    end
                end
            else
                set_state(start)
            end
        end
    end
end