Bat Swarm, Underworld

Underworld Bat Swarm CR 5

These creatures have longer fangs than normal bats, sharp teeth that protrude far from their mouths to glisten in the darkness.

XP 1,600
N Diminutive animal (swarm)
Init +6; Senses blindsense 50 ft., low-light vision; Perception +19


AC 20, touch 16, flat-footed 18 (+2 Dex, +4 natural, +4 size)
hp 49 (9d8+9)
Fort +6, Ref +10, Will +6
Defensive Abilities swarm traits; Immune weapon damage


Speed 5 ft., fly 40 ft. (good)
Melee swarm (2d6 and wounding)
Space 10 ft.; Reach 0 ft.
Special Attacks distraction (DC 14), wounding (3 hp)


Morale Underworld bat swarms flee when reduced to 10 hp or less (unless starved, in which case they fight to the death).


Str 3, Dex 15, Con 11, Int 2, Wis 14, Cha 4
Base Atk +6; CMB —; CMD
Feats Improved Initiative, Improved Lightning Reflexes, Lightning Reflexes, Skill Focus (Perception), Toughness
Skills Fly +16, Perception +19; Racial Modifiers +4 Perception when using blindsense
SQ swarm traits


Environment underground
Organization solitary, pair, flight (3–6 swarms), or colony (11–20 swarms)
Treasure none


Wounding (Ex)

Any living creature damaged by an Underworld bat swarm continues to bleed, losing 3 hit points per round thereafter. Multiple wounds do not result in cumulative bleeding loss. The bleeding can be stopped by a DC 10 Heal check or the application of a cure spell or other magic that restores hit points.

Section 15: Copyright Notice

Aventyr Bestiary © 2017 AAW GAMES LLC Authors Mike Myler, Jonathan G. Nelson Developers, Michael Allen, Curtis Baum, Wolfgang Baur, Brian Berg, Adam Daigle, Jeffrey Gomez, Joshua Gullion, Jacob Kellogg, Jared Jeanquart, Juan Lucha, Justin Andrew Mason, Jonathan McAnulty, Michael McCarthy, Raven Mimura, Brian Wiborg Monster, Will Myers, Mike Myler, Jason Nelson, Jonathan G. Nelson, Owen K.C. Stephens, Colin Stricklin, Cory Vickruck, Stephen Yeardley Jonathan G. Nelson

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