I didn't want to put it in the bug reports because it would be hard to show there. It has to do with the number of attacks the NPC gets versus the number of attacks I get. If you look, there is just one sewer rat, who attacks three times before I get to attack.
Water Channels Inside the Sewage Treatment Plant.
Clean-looking water runs through concrete channels like swiftly-flowing artificial rivers. {glowing gray}
The corpse of a sewer rat lies here, dead. {glowing gray}
A sewer rat stares into your eyes. {glowing gray}
[ Exits: east west ]
The sewer rat bites you, but is unable to do any damage.
You OBLITERATE the sewer rat with your deadly stab.
The sewer rat bites you, but is unable to do any damage.
The sewer rat bites you, but is unable to do any damage.
The sewer rat bites you, but is unable to do any damage.
The sewer rat deftly parries your stab.
Water Channels Inside the Sewage Treatment Plant.
Clean-looking water runs through concrete channels like swiftly-flowing artificial rivers. {glowing gray}
The corpse of a sewer rat lies here, dead. {glowing gray}
A sewer rat is here, locked in combat.