I have to be honest, I hate DOS:2's spell system. It's the definition of all flash no substance. You cast a spell that feels like it should hit like a dump truck, it looks epic. but it's just the animation when mechanically it's a peashooter so it becomes a big disappointment. It's like chocolate cake in most restaurants; they all look amazing until you take a bite. D&D is set up to be the opposite. You have a limited number of spell slots, they're supposed to hit hard and have a big impact. Which is why health bloat that we're seeing to make up for lowering AC is such a pain. And it leads to balance problems and ruins spells.
This is my issue with DOS mechanics as well. Everything looks overpowered but is underpowered against the never ending HP pools. And after a while the big flashy effects are more repetitive than impressive.
In D&D, you launch a Fireball and it turns the tide of battle or even incinerates weaker enemies in one hit. That feels powerful and satisfying.
