She scrabbled up the rough stone, climbing to the roof for a better vantage.

Are you sure you didn't mean scrambled?

She climbed up his chest, drawing gasps from some of the others, and stood.

Just climbed is ok. You don't need to specify that it's up in this context.

The three held their arms over their eyes, feet braced against the buffeting winds.

Should be a semicolon this is a comma splice as they are two independent clauses improperly joined with a comma.

The scorpion god turned to grasp at her...

The Scorpion God is the proper name of the creature so it should be capitalized all times it is mentioned.

as she realized that the molten heat

Molten heat doesn't make sense. Molten doesn't describe heat very well. Heat isn't molten; you heat something up to become molten. The heat made the shell molten but doesn't make the heat molten.

But Samut pulled her blades loose and launched herself again

Again is a word to try and avoid. Just say relaunched herself.

WotC could still use a copy editor but this is an improvement from some of the other articles. Fun story this week, I'm glad it focused more on the people and less on the gatewatch. It was really cool to see the emotional and caring side of the Red God rather than the fiery anger side. (Ok it was still fiery but at least out of love and compassion rather than anger)