I only have a little over 1000 after beating chapter 4. But people talk about how they have 50k or 115k!!! How do you get so much? Is it online only because I only play offline? --- White Horses + Swirly Horn + Wings = Joy and Peace
A big chunk of Heroism points come from earning insignias, such as completing a certain amount of missions without getting spotted. You can see the reqirements for getting them on the Database menu at Mother Base --- "I'm gonna pay him a...what do you call it? A beating! Yeah, I'm gonna pay him a beating!"