User blog comment:Eobard95/Flash 5x08 - Thawne and Zoom plotholes/@comment-27700324-20181210062328/@comment-27700324-20181210182108

Yeah, but he was still trying to initiate his plan, plus it saves him the trouble of killing his remnant later if he just doesn't care it it dies.

I'm not saying he was aware of everything. I'm just saying Savitar spread his legend in the future where Eobard was before he went back in time to kill Nora. So that is how Eobard gained awareness. However because it wasn't time for his death yet, he wasn't aware of Eddie's death. Either that or he thought he could stop it and he was aware of it, but in the end, everything turns out with his death.