Save editors are controversial among purists. Some argue they ruin the sense of accomplishment that comes from raising a team from scratch. Others see them as a way to bypass tedious grinding and focus on the strategic side of battling.
.Nature=$0,24 — Sets a random nature from the 25 available. .IV_All=31 — Maxes out all Individual Values (stats). pokemon fire red save editor
If you are playing on a phone or Mac and cannot run .exe files, PKMDS is the recommended alternative. Save editors are controversial among purists