Marinette and Ardrien

Marinette and Adrien own the two strongest powers: the power of the ladybug, which provide the power of creation; and the ring of the Black Cat, which gives the power of destruction. Luck and bad luck.
According to legend, whoever controls both these jewels at the same time, will achieve absolute power.

The powers of the Ladybug:

The holder of the ladybug miraculous has the powers of luck: the lucky charm, miraculous ladybug and diskumatization. For this she needs her weapon, the yo-yo.

The powers of the Black Cat:

The holder of the black cat miraculous owns the powers of bad luck: cataclysm, agility and near-invulnerability. He also has his weapon: the staff.