Swarm of Piranhas
Source: Monster Manual (2024) p. 370. Available in the SRD and the Free Rules (2024)
Animals
Use these stat blocks to represent the creatures they’re named for or other similar creatures. For example, the Panther stat block can also represent a mountain lion, while the Giant Goat stat block might represent a buffalo. Any of these stat blocks might also serve as fantastical animals with distinctive names and cosmetic details unique to your D&D adventures.
"name": "Swarm of Piranhas (XMM)"
"size": "Medium"
"type": "beast"
"alignment": "Unaligned"
"ac": !!int "13"
"hp": !!int "28"
"hit_dice": "8d8 - 8"
"modifier": !!int "3"
"stats":
- !!int "13"
- !!int "16"
- !!int "9"
- !!int "1"
- !!int "7"
- !!int "2"
"speed": "5 ft., swim 40 ft."
"damage_resistances": "bludgeoning, piercing, slashing"
"condition_immunities": "[charmed](../../../Compendium/rules/conditions#charmed), [frightened](../../../Compendium/rules/conditions#frightened),\
\ [grappled](../../../Compendium/rules/conditions#grappled), [paralyzed](../../../Compendium/rules/conditions#paralyzed),\
\ [petrified](../../../Compendium/rules/conditions#petrified), [prone](../../../Compendium/rules/conditions#prone),\
\ [restrained](../../../Compendium/rules/conditions#restrained), [stunned](../../../Compendium/rules/conditions#stunned)"
"senses": "[Darkvision](../../../Compendium/rules/senses#darkvision) 60 ft., passive Perception\
\ 8"
"languages": ""
"cr": "1"
"traits":
- "desc": "The swarm can occupy another creature's space and vice versa, and the\
\ swarm can move through any opening large enough for a Tiny piranha. The swarm\
\ can't regain [Hit Points](../../../Compendium/rules/variant-rules/hit-points-xphb)\
\ or gain [Temporary Hit Points](../../../Compendium/rules/variant-rules/temporary-hit-points-xphb)."
"name": "Swarm"
- "desc": "The swarm can breathe only underwater."
"name": "Water Breathing"
"actions":
- "desc": "*Melee Attack Roll:* +5 (with [Advantage](../../../Compendium/rules/variant-rules/advantage-xphb)\
\ if the target doesn't have all its [Hit Points](../../../Compendium/rules/variant-rules/hit-points-xphb)),\
\ reach 5 ft. *Hit:* 8 (2d4 + 3) Piercing damage, or 5 (1d4 + 3) Piercing\
\ damage if the swarm is [Bloodied](../../../Compendium/rules/conditions#bloodied)."
"name": "Bites"
"source":
- "XMM"
"image": "Compendium/bestiary/beast/token/swarm-of-piranhas-xmm.webp"