HP is your most valuable resource in Dragon Age: The Veilguard, but you don’t get more by leveling up your character. Here’s what you need to do to get more HP.
https://www.digitaltrends.com/gaming/how-to-increase-health-dragon-age-the-veilguard/
https://www.digitaltrends.com/gaming/how-to-increase-health-dragon-age-the-veilguard/