Rwby x Terminator: Change of fate

Year 2045

The Resistance has destroyed the machines of Skynet, but they were to late, Skynet sent a T-800 infiltration unit back in time to kill the leader of the resistance, Ruby Rose.

Ruby knows this will only create a time loop where skynet and humanity will be fighting each other forever, Ruby decided to end the time loop, She goes back to the past herself to stop the terminator and stop Atlas from creating Skynet.

it's a long shot and of it works the future will change, it's up to Ruby and Past Ruby to team up and stop the time loop.