Raven SwarmCreature 3
Source Pathfinder Monster Core 2
Perception +9 (low light vision)
Languages none
Skills Acrobatics +10, Thievery +10
Str +0, Dex +3, Con +0, Int -4, Wis +4, Cha +0
AC 19; Fort +7; Reflex +12; Will +9;
HP 30
Speed 10 feet (fly 40 feet)
Immunities swarm mind, precision
Weaknesses Area Damage 5, Splash Damage 5
Resistances Bludgeoning 2, Piercing 5, Slashing 5
Swarm Mind
This monster doesn't have a single mind (typically because it's a swarm of smaller creatures), and is immune to mental effects that target only a specific number of creatures. It is still subject to mental effects that affect all creatures in an area.
Enraged CunningThere are few things as dangerously persistent in the natural world as an angry unkindness of ravens. A raven swarm can hound its prey through most barriers. Simple latches, unsecured chimney flues, loosely shuttered windows, and similar obstacles rarely keep an unkindness away. A raven swarm attempts a Thievery check to bypass many of these simple obstructions, typically against DC 20.
Swarming Beaks
The ravens' angry pecking deals 2d8 piercing damage to each enemy in the swarm's space (DC 20 reflex save). A creature that critically fails its save is Blinded for 1d4 rounds as the ravens focus their attacks on the target's vulnerable face.
A flock of ravens is known as an unkindness. Certainly, the name lives up to its meaning when a swarm of ravens decides to work together. In most cases, a raven swarm like the one presented here won't attack larger foes, but when manipulated by supernatural forces or simple desperation born from hunger, an unkindness of ravens can be a surprisingly dangerous threat.
Few birds are as cunning and social as the raven.
Traits
Anything that doesn't list another rarity trait (uncommon, rare, or unique) automatically has the common trait. This rarity indicates that an ability, item, or spell is available to all players who meet the prerequisites for it. A creature of this rarity is generally known and can be summoned with the appropriate summon spell.
AnimalAn animal is a creature with a relatively low intelligence. It typically doesn't have an Intelligence attribute modifier over –4, can't speak languages, and can't be trained in Intelligence-based skills.
SwarmA swarm is a mass or cloud of creatures that functions as one monster. Its size entry gives the size of the entire mass, though for most swarms the individual creatures that make up that mass are Tiny. A swarm can occupy the same space as other creatures and must do so in order to use its damaging action. A swarm typically has weakness to effects that deal damage over an area (like area spells and splash weapons). Swarms are immune to the grabbed, prone, and restrained conditions.