As several already pointed out, that's pretty much how Final Fantasy games from 4 (and lots of JRPGs back on the day) worked. The Scan spell shows up the weakness and remaining HP of one enemy. Enemies don't tell beforehand their attacks or target (except for some rare exceptions), so you must keep someone ready to heal others right after the enemy attacks. Tents are used on save points and the overworld to recover HP/MP and revive KO'ed party members, and they are relatively expensive at the beginning (usually having 2 to 5 at hand is good enough), but later on you gain much more money per battle.
I recon that even back on the day it wasn't everyone's cup of tea, but that's how classic JRPGs used to be.
OT: Right now I'm playing Let It Die. I tried it long ago; but only up to now decided to get deeper into the game (deeper = past the second floor). I think I'm still playing too conservatively; as I have died only once, unlocked/upgraded lots of equipment, increased most of my weapon mastery past level 10 (at least of the weapons I have found), and unlocked two more types of fighters.
I recon that even back on the day it wasn't everyone's cup of tea, but that's how classic JRPGs used to be.
OT: Right now I'm playing Let It Die. I tried it long ago; but only up to now decided to get deeper into the game (deeper = past the second floor). I think I'm still playing too conservatively; as I have died only once, unlocked/upgraded lots of equipment, increased most of my weapon mastery past level 10 (at least of the weapons I have found), and unlocked two more types of fighters.