Talk:Valentine Madness/@comment-37839624-20190228102905/@comment-37839624-20190301071320

@175.33.54.96 About the health factor: To my experience it's the amount of duels you win. Like getting experience that makes you stronger. I'm positive it has nothing to do with the number of cards you have. I cannot rule out it's also a bit related to overal deck level since we actually don't see our status on experience. It doesn't just gradually go up in time, because on my 3 accounts, the middle one got past the first one. I know that if you keep winning you'll get up. It goes slower every time you gain a level. I'm at level 54 now. At XXX-mas I went up from level 51-52.

Since you are matched with a opponent of similar level in the duels, it seems logical it has something to do with playing a lot of duels.