Please do not create any individual trophy/achievement pages for RDR2; we plan on simply having a list of them on one page and create another page where all tips and walkthroughs will be held. The trophy pages for RDR1 will also be redirected into one page in the near future.
You may have a big problem when it comes to this particular template: Template:Achievement. When I made it during the heydays, the template will direct to each achievement links. Seeing that this is your plan in the future, I think you might consider to overhaul the template first.
You'll get a lot of red links and dead links when you don't.