Old Gumphrey
First Post
Not quite. The damage on the miss is a damage roll, so it gets full bonuses to damage, instead of half bonuses. So, if your bonus to damage is high enough, you deal more than half damage on a miss.
And if you look carefully you'll notice that the damage roll on a miss is "1d10." It's not "1d10 + Charisma modifier (like every single other power in the entire book)," it's "1d10". You get your nifty sorcerer damage bonus, your magic item bonus, and any feat bonus, but you don't get your Charisma bonus. Turning 3d10 + 5 + 1 + 1 + 2 into 1d10 + 1 + 1 + 2, or 24 average vs. 9 average; which makes sense for Chromatic Orb, since you still get the full secondary effect.