THE BEING WHO RULES THE WHOLE OF SOUL SOCIETY AND HIS DEATH CAN CAUSE DESTRUCTION OF THE WORLDS
THE BEING WHO HAS BECAME THE MONARCH OF DARKNESS OR DEATH AND HE HAD ACTUALLY SAVED THE UNIVERSE FROM DESTRUCTION AND IF HE CAN SAVE HE CAN DESTROY AS WELL.
THE BEING CHOSEN BY THE DEMON KING TO BE HIS SUCCESSOR AND THE DESTOYER OF MANKIND AND GODDESS HIS SON MELIODAS HAS THE POWER FOR TOTAL ANHILATION
His power was incomparable to any human beings and was even regarded as a being from the new world which has come here and even the strongest human Netero
ZEREF WHOSE EXISTENCE IN ITSELF BRINGS DESTRUCTION TO LIFE HIS AFFECTION AND LOVE RESULTS IN DESTRUCTION A BEING CURSED TO DESTROY EVERYTHING AND SUFFER FOR ETERNITY.strongest human Netero
HIS ABILITY TO BE ABLE TO CAUSE EARTHQUAKES MAKES HIM SO DANGEROUS CAUSE A SERIES OF 10 RICTER SACLE QUAKE ONE AFTER ANOTHER IN ITSELF WILL GET RID OF ALL LIVING THINGS ON SURFACE OF EARTH.
Saitama was made as a parodical character but has acquired a great place in our hearts .his Single punch is enough to destroy any monster or Villians.
Koro Sensei is a moving Hydrogen time bomb that will trip on his death and destroy the earth and for that, he wanted to die by the hands of the students he taught and were loved by his lover so that that explosion never happen.
NOT ONLY KAGUYA BUT EVERY SINGLE OTSUSTSUKI CLAN MEMBER CANDESTROY PLANETS AS THEY ARE BEING WHO FEEDS ON THE ENERGY OF A PLANETS LIFE FORCE JUST LIKE GALACTUS FROM MARVEL.
Zeno Sama the omnipresent, omnipotent Omni God who is the king of all 12 gods of destruction he may look like to 3-year-old children and also with the mindset of a child but he is a person who can destroy the whole multiverse on with his thinking of so. Therefore destroying the earth is no big deal for him.