Rank 4: Molly Weasley

Molly Weasley may seem like the caring mother who takes care of her family at first glance—which she is. But she shows a completely different side in the Battle of Hogwarts. When Bellatrix Lestrange threatens Ginny, Molly fights with a fury born of love, ultimately leading her to kill Bellatrix.
Molly defeats Bellatrix with an unknown spell that pulverizes her. She is an extraordinary witch whose abilities should not be underestimated. The power of love, as Lily Potter has shown, is probably the strongest force in the Harry Potter
universe.
Rank 3: Bellatrix Lestrange

Bellatrix Lestrange is probably Voldemort’s most fanatical and devoted follower and an extremely talented duelist. She has defeated many Aurors and members of the Order of the Phoenix. Her ruthlessness, sadistic pleasure in violence, and immense talent make her one of the most dangerous opponents.
Bellatrix masters the Unforgivable Curses
masterfully, particularly the Cruciatus Curse. She killed her cousin Sirius Black in the Ministry of Magic and cruelly tortured the Longbottoms (which is mentioned in the films, but not shown directly).
Her defeat in the battle against Molly Weasley was less a sign of weakness but rather the result of her own arrogance and madness, which led her to underestimate Molly and take the situation too lightly.