魔王

demon king, demon lord

m a̠ o̞ː

魔 demon, devil, evil spirit + 王 king, monarch

noun Rare #39,719

demon king, demon lord

JA: 魔王を倒すために、勇者は旅に出た。

EN: The hero set out on a journey to defeat the demon king.

I won't become a demon king either.

— ハウルの動く城 (2004)

Does that mean Howl is going to become a demon king?

— ハウルの動く城 (2004)

Sounds similar to