This Martial Saint’s Health Bar Is Too Thick

"Are you good at hitting? There's no point in beating you! When you come out to hang out, the most important thing is to have a thick health bar!"
——"Quotations of the Immortal Martial Saint Li Fei"
In the 27th year of Hongguang, the Seven-Nation Alliance invaded the Great Blue Dynasty
Rifled guns, mortars, and armored chariots formed a torrent of steel, which was eventually broken by the Great Blue Cavalry
Muscles, spells, muskets, cannons... New and old forces continue to collide
In the age of great strife, Li Fei gradually became a BOSS-like existence with the help of a ten thousand blood bead:
"Just this little damage? Not even one thousandth of my health was destroyed."
"You don't think you can kill me like this, do you?"
"Don't worry, the next step is the second stage!"
...