In his search for Rey. Kylo has sworn an oath despite murdering his former master that will ether end the rebellion or will bring an end to everything hence "Infinity War".In his search for Rey. Kylo has sworn an oath despite murdering his former master that will ether end the rebellion or will bring an end to everything hence "Infinity War".In his search for Rey. Kylo has sworn an oath despite murdering his former master that will ether end the rebellion or will bring an end to everything hence "Infinity War".