Shadowheart, because no one else is allowed to use healing spells that I've seen. Am I missing something? Can any other class use healing spells besides clerics? I feel like I'm forced to have her in my party every single time just because of her class.
Gale can learn healing spells from scrolls ( wizards are currently overpowered that way, they can learn every spell). If you play a druid or ranger, you have access to healing spells too.