These kings have one purpose: to yield their power and authority to the beast.
Berean Standard Bible (BSB)
These have one mind, and they give their power and authority to the beast.
World English Bible (WEB)
These{G3778} have{G2192}{(G5719)} one{G3391} mind{G1106}, and{G2532} shall give{G1239}{(G5719)} their{G1438} power{G1411} and{G2532} strength{G1849} unto the beast{G2342}.
Strong's King James
(13) These have one mind (purpose) and they give their power and authority to the beast.
The F.O.G
The F.O.G Message
these have one mind, and their own power and authority to the beast they shall give over;
Young's Literal Translation