-Display only. To hack the boss's HP, search for the said value by 4 bytes (start address = 100000; end address = FFFFFFF), shoot the boss, search its decreased value until there are 2-4 entries left (one is the lifebar).
-If there are 2 bosses in a stage, do the same method for the other one.
-If there are 3 addresses (one is the lifebar), a boss is using a non-spell card attack. Use the last 2 addresses.
-If there are 4 addresses (one is the lifebar), a boss is using a spell card attack. Use the 4th address.