Balloon Spider — fantasy monster illustration. Balloon Spider is a medium beast (Challenge Rating 1).

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Balloon Spider

Medium Beast, unaligned

AC
13
HP
36
Speed
20
CR
1

Honed by evolutionary processes, the balloon spider has perfected the art of ballooning, floating through the air held aloft by strands of webbing suspended by electromagnetic fields. Electrified mandibles grant these spiders precise control over nearby electromagnetic fields and a potent weapon for shocking its prey.
Beneath their hunting grounds, the corpses and bones of their prey lie sparsely coated with stray strands of blue webbing. These remains wobble and glide across the ground of their own accord, caught in stray eddies in the electromagnetic field. The webbing of a balloon spider is prized by arcanists as a component for spells and the construction of magical flying machines.


Armor Class 13

Hit Points 36 (8d8)

Speed 20 ft., fly 40 ft. (hover)


STR
10 (+0)
DEX
16 (+3)
CON
10 (+0)
INT
2 (-4)
WIS
12 (+1)
CHA
4 (-3)

Skills Perception +3

Damage Immunities lightning

Senses blindsight 10 ft., darkvision 60 ft., passive Perception 13

Languages

Challenge 1


Traits

Erratic Discharge. A creature that starts its turn within 10 feet of the balloon spider must make a DC 12 Constitution saving throw. On a failure, the creature takes 2 (1d4) lightning damage and can move or take an action on its turn, but not both. On a success, the creature gains the benefits of the haste spell until the end of its turn. If a creature's saving throw is successful, it is immune to the spider's Erratic Discharge for the next 24 hours.

Actions

Bite. Melee Weapon Attack: +5 to hit, reach 5 ft., one creature. Hit: 5 (1d6 + 2) piercing damage plus 5 (2d4) lightning damage, and the target must succeed on a DC 12 Constitution saving throw or it can move or take an action on its turn, but not both.

Charged Web (Recharge 4-6). Ranged Weapon Attack: +5 to hit, range 40/80 ft., one creature. Hit: The target is grappled (escape DC 13) by strands of charged webbing and begins to hover off the ground. Until this grapple ends, the target takes 1 lightning damage at the start of each of its turns. In addition, the grappled target can make a DC 12 Dexterity (Acrobatics) check to manipulate the strands of webbing and fly 10 feet in any direction.

Draw In. The balloon spider magically pulls all creatures grappled by its webbing up to 10 feet toward it. If this movement pulls the creature within 5 feet of the balloon spider, the spider can make one bite attack against the creature as a bonus action.

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Balloon Spider — fantasy monster illustrationPrimary
FTTHelper · auto-generated · monster · monster

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Further reading

Jetpack7 Game Master Series
The Game Master's Book of Random Encounters
Jeff Ashworth · 2020
The Game Master's Book of Traps, Puzzles and Dungeons
Jeff Ashworth · 2022
The Game Master's Book of Legendary Dragons
Aaron Hübrich · 2022