NET

21 Then one powerful angel picked up a stone like a huge millstone, threw it into the sea, and said, “With this kind of sudden violent force Babylon the great city will be thrown down and it will never be found again!

Darby

21 And a strong angel took up a stone, as a great millstone, and cast [it] into the sea, saying, Thus with violence shall Babylon the great city be cast down, and shall be found no more at all;

KJV

21 And a mighty angel took up a stone like a great millstone, and cast [it] into the sea, saying, Thus with violence shall that great city Babylon be thrown down, and shall be found no more at all.

Strong's

21 And ^G2532 a^G1520 mighty^G2478 angel^G32 took up^G142 a stone^G3037 like^G5613 a great^G3173 millstone^G3458, and^G2532 cast^G906 it into^G1519 the sea^G2281, saying^G3004, Thus^G3779 with violence^G3731 shall^G906 that great^G3173 city^G4172 Babylon^G897 be thrown down^G906, and^G2532 shall be found^G2147 no more^G3364 at all^G2089.