Screw all that. Tell us how to stop Black Rain.
We're pretty certain that you can't change anything significant in our past. But supposing we're wrong, and you can. A bad actor seeing that happen, might try to trick you into some action to cause your permanent demise, and maybe ours too. You really are deeply despised by some of your successors, and we probably will be too.
We don't want to encourage any new bad habits in you.
So, No.     Sorry.