Here are all the Rank S Monsters. Atlas ( gigantes and Boss troll.) Malroth (demon at arms and living statue) killing machine ( hunter mech and phantom swordsman) {| border="1" cellspacing="0" width="100%" class="navbox collapsible autocollapse" ^the above is false. those are not all the rank s monsters. Additionally, all rank S monsters of composed of graphite, iron fillings, and granite, which makes them exceptionally hard and strong.