Wiktionary
to what end
adv. For what purpose
Usage examples of "to what end".
They knew to what end their sacrifice would come, but they did it anyway, and they would do it again in the Witherer’.
They knew to what end their sacrifice would come, but they did it anyway, and they would do it again in the Witherer's spite.
Crispin wondered, again, what game he'd become a small piece in, how he was being deployed now and to what end.