To the OP's complaint about OP fights (heh):
I don't see why people are complaining about this. The fights are not hard at all. I've never had to reload a single time and I just charged in there against the turtles, the frogs, etc. I had more trouble in the forest.
Just set the turtles on fire. There's an oil barrel nearby. Use the terrain to your advantage.
Congratulations you are a super awesome player, perhaps the best ever. That does not mean that every player is as awesome and fantastic as you are and no changes are needed.
I also can't believe that you're suggesting "set the turtle on fire" as a solution. I'm saying this because both my main characters in that fight had fire magic, and the turtles loved to spray your party with a huge oil slick and bleed curse everywhere. Trying to setting the turtles on fire is usually how I got some of my characters killed.