magical power; supernatural power; spell; charm
Refers to the power to use magic, or the energy source for spells. Also used figuratively for a compelling, almost supernatural influence or attraction.
The witch used her magical power to cast a curse.
The wizard used magical power to start a fire.
彼女の歌声には人を惹きつける魔力がある。
Her singing voice has a magical charm that draws people in.
Ancient magical power dwells within this sword.
He was possessed by magical power and his personality changed completely.
I feel a mysterious, almost magical pull from that music.
魅力 is the ordinary word for charm or appeal in anyone or anything, while 魔力 implies a stranger, almost supernatural pull.
呪力 specifically means power derived from a curse or ritual incantation, while 魔力 is the broader term for any magical power.
Compound of 魔 (ma, 'demon, magic') and 力 (ryoku, 'power'). The exact historical derivation is uncertain, but the word has been used in Japanese for centuries to denote supernatural or magical force.