Echolocation. The swarm can’t use its blindsight while deafened.
Keen Hearing. The swarm has advantage on Wisdom (Perception) checks that rely on hearing.
Swarm. The swarm can occupy another creature’s space and vice versa, and the swarm can move through any opening large enough for a Tiny bat. The swarm can’t regain hit points or gain temporary hit points.
Bite. Area Attack. Target: any number of creatures within the swarm. All targeted creatures must make a DC 27 Dexterity Saving Throw or take 23 (9d4) piercing damage.
If the swarm is of a smaller size than Colossal (see the Description below), the DC and damage are reduced as follows:
| Size Class | Save Throw DC | Damage |
|---|---|---|
| Gargantuan | 25 | 15 (6d4) |
| Huge | 22 | 7 (3d4) |
| Large | 18 | 5 (2d4) |
| Medium | Use the bite attack from the Swarm of Bats statblock. | |
Description
Many Targets. The swarm is vulnerable to, and has disadvantage on all saving throws against area-of-effect spells, attacks, and effects.
Variable Size. At full HP, the swarm's size class is Colossal. It occupies a circular area 25 feet in diameter.
If the HP of the swarm is reduced, its size class is reduced as follows.
| Fraction of Max HP | Average Total HP | Size Class | Size Reminder |
|---|---|---|---|
| 1/3-2/3 | 143-284 | Gargantuan | 20 feet |
| 1/6-1/3 | 72-142 | Huge | 15 feet |
| 1/20-1/6 | 23-72 | Large | 10 feet |
| Less than 1/20 | 22 or less | Medium | Use the Swarm of Bats statblock. |
Previous Versions
| Name | Date Modified | Views | Adds | Version | Actions |
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6/25/2021 6:40:53 PM
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6/25/2021 6:52:40 PM
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10
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6/28/2021 3:49:07 PM
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15
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0
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Coming Soon
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