Box Jellyfish Swarm

Box jellyfish can grow up to 8 inches across, with trailing tentacles which can reach up to 10 feet in length, although many are considerably smaller. In some cases, dangerous jellyfish may be no larger than a thumbnail, and are only dangerous if encountered through ill luck or in a swarm. The box jellyfish swarm statistics above are for a swarm 20 feet by 20 feet by 20 feet. The judge may extrapolate larger or smaller swarms from these statistics. If an area is especially thick with tiny box jellyfish, the judge may treat this as two or more swarms whose areas overlap (and which are immune to each other’s attacks). Box jellyfish venom is of varying potency. When creating or encountering these creatures, roll 1d7: