This type includes insects, arachnids, other arthropods, worms, and similar invertebrates. Vermin have the following features.

• d8 Hit Die.
• Base attack bonus equal to 3/4 total Hit Dice (medium progression).
• Good Fortitude saves.
• Skill points equal to 2 + Int modifier (minimum 1) per Hit Die. Most vermin, however, are mindless and gain no skill points or feats. Vermin have no class skills.

Traits: Vermin possess the following traits (unless otherwise noted in a creature's entry).

• Mindless: No Intelligence score, and immunity to all mind-affecting effects (charms, compulsions, morale effects, patterns, and phantasms). A vermin-like creature with an Intelligence score is usually either an animal or a magical beast, depending on its other abilities.
• Darkvision 60 feet.
• Proficient with its natural weapons only.
• Proficient with no armor.
• Vermin breathe, eat, and sleep.

Some creatures have one or more subtypes. Subtypes add additional abilities and qualities to a creature.