How to say "灭族之仇" (miè zú zhī chóu) in Chinese dialogue

mièzhīchóu

and a blood debt of near annihilation!

Grammar Patterns
INTERACTIVE SCRIPT TIMELINE
LINE 0137:49
zhè
shì
zhǒng
zhī
hèn

There is rage between our races,

LINE 0237:51
PLAYING SCENE
miè
zhī
chóu

and a blood debt of near annihilation!

LINE 0337:58
suǒ
ne

Then what?

Show Information
Source MediaTV Series
Season & EpisodeS1 E19
Timestamp37:51
TMDB ID272715