Looking through the Spell Compendium, I see some weird cases of level-dependent bonuses to rolls, damage, and so on that just seem... odd. For instance, in the Energy Spheres spell, each orb of energy deals 5 points of damage per 5 caster levels. Why not just one point of damage per level? The Ice Knife spell requires an attack roll with a +2 bonus per two caster levels. Why not just +1 per level?
What's the rationale behind this stuff?
What's the rationale behind this stuff?