I took their size into consideration when I computed damage. For once, I am way ahead of you.
The rats swarm Dustin, who claws them for 6 points of damage as they do so. The rats bite for 2 points of damage. Dustin is not nauseated (24 Fort save).
The rats have 25 HP remaining. Dustin has 63 HP remaining.
Round 470
Dustin hits three times for 17. Rats bite for 1. Rats at 8 HP. Dustin at 62 HP.
Round 471: Dustin feels somewhat sick, and moves to 60N75E.
The rats follow and bite for 2. Dustin at 60 HP.
Round 472: Dustin feels somewhat sick, and moves to 60N55E.
The rats follow and bite for 1. Dustin at 59 HP.
Round 473: Dustin claws for 4. Rats bite for 2. Rats at 4 HP. Dustin at 57 HP.
Round 474: Dustin inflicts 20 points of damage. The rats disperse.
Dustin has 57 HP, and is located at 60N55E.
Next in round 475 for Neutral Evil is a very young Styx dragon (
Draconomicon). It has 7 ranks in Knowledge (local (River Styx)) and 10 ranks in Diplomacy, Escape Artist, Intimidate, Listen, Search, and Spot. It has the feats Awaken Spell Resistance, Weapon Focus (bite), and Weapon Focus (claw).