How to say "本王留你们何用" (běn wáng liú nǐ men hé yòng) in Chinese dialogue

běnwángliúmenyòng

Why do I still need the two of you alive?

Grammar Patterns
INTERACTIVE SCRIPT TIMELINE
LINE 0135:17
yuán
běn
shí
jiǔ
wěn

Nothing was supposed to go wrong.

LINE 0235:21
PLAYING SCENE
běn
wáng
liú
men
yòng

Why do I still need the two of you alive?

LINE 0335:25
wáng

Father,

Show Information
Source MediaTV Series
Season & EpisodeS2 E25
Timestamp35:21
TMDB ID124595