As the title says lol I know we can heal via crystals attached to weapons, scrolls, Dark Life Potion, etc. But I'm asking about those HP Potions sold at Apocalyptic Apothecary, for example . I couldn't find a way to equip them and was wondering if they work like Pokemon potions (that you can use during battles) or if they're for post-battle only (as an option to visiting the Healer?)

Can’t use them mid-battle unfortunately.

The best uses of them really come from the community boss fights. After so many losses the healer costs add up pretty fast.

If you can heal with on of those potions you can enter an easy battle and pquill back to 100% health. That could potentially save you millions in healer costs

Oh that makes sense! Thanks for the help :D