Psalms 136:18

And slew famous kings: for his mercy endureth for ever:
— Psalms 136:18, King James Version

In other translations

World English Bible (WEB)

And killed mighty kings; For his lovingkindness endures forever:

American Standard Version (ASV)

And slew famous kings; For his lovingkindness endureth for ever:

Young's Literal Translation (YLT)

Yea, He doth slay honourable kings, For to the age <FI>is<Fi> His kindness.