Rat

Multitudinous, disease-ridden rodents that will eat anything. Avoid contact with humans, but may attack if defending their nest or if summoned and commanded by magic (e.g. see Wererat).

AC7 [12], HD½ (2hp),
Att 1 × bite (1d3 + disease), THACO 19 [0],
MV 120’ (40’) / 60’ (20’) swimming, SV D12 W13 P14 B15 S16 (1),
ML 8, AL Neutral, XP 5, NA 3d6 (3d10), TT C

• Disease; Afraid of fire; Attacking in water: See main entry.
• Pack: Each group of 5–10 rats attacks as a pack. Each pack makes a single attack roll against one creature.
• Engulf: The creature attacked must save versus death or fall prone, unable to attack until able to stand up again.

Source: Classic Fantasy