So I am trying to come up with an idea for healing a character outside of battle, in a JRPG I am designing, that doesn't involve spells or potions or sleeping at an inn or anything too convenient like that (because first-aid kits just laying around dungeons always bothered me a little). Also I don't want a money/currency system in my game. I don't want any items or weapons at all if possible (only abilities, and minions like Pokemon).
My initial idea is to have a mini-game like Pairs, where the player is shown 10 pairs of images for a few seconds, then the pictures are covered up, and the player has to correctly remember the location of the pairs. for every second the player does this under 20 seconds, they are healed 10% of their maximum health points (so if the player completes the mini game in 17 seconds, they are healed 30% of their maximum health).
If I settle on this, I can make it immersion enough to not distract from the game (like have the pictures on the pairs be runes, so representing the character attempting to cast a spell). Anyone can play this game, and attempt it multiple times to heal totally. There is also the possibility of making the mini-game harder later in the story, adding more images or decreasing the time limit.
How do you guys feel about something like that?