Troll, Rattleback — fantasy monster illustration. Troll, Rattleback is a large giant (Challenge Rating 7).

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Troll, Rattleback

Large Giant, chaotic evil

AC
16
HP
126
Speed
30
CR
7

Armor Class 16 (natural armor)

Hit Points 126 (12d10+60)

Speed 30 ft., climb 30 ft.


STR
20 (+5)
DEX
18 (+4)
CON
20 (+5)
INT
7 (-2)
WIS
12 (+1)
CHA
7 (-2)

Saving Throws Con +8

Skills Perception +1

Damage Immunities poison

Senses darkvision 60', passive Perception 14

Languages Common, Giant

Challenge 7


Traits

Distracting Rattle. Its shell plates rattle constantly creating a droning distracting noise. When a creature casts a spell with verbal component while within 30' of the troll that creature must make DC 15 Con save or lose the spell.

Night Hunters. While in dim light or darkness has advantage on Wis (Perception) checks that rely on sight.

Regeneration. Regains 10 hp at the start of its turn. If it takes fire this trait doesn't function at start of its next turn. It dies only if it starts its turn with 0 hp and doesn't regenerate.

Actions

Multiattack. One Bite attack and two Claw attacks.

Bite. Melee Weapon Attack: +8 to hit, 5 ft., one target, 14 (2d8+5) piercing damage + 7 (2d6) poison. Target: DC 15 Con save or poisoned 1 min. While poisoned this way target can't regain hp. Target can re-save at end of each of its turns success ends effect on itself.

Claw. Melee Weapon Attack: +8 to hit, 5 ft., one target, 12 (2d6+5) slashing damage.

Venom Spray (Recharge 5-6). Sprays its venom in a 30' cone. Each creature in that area: 28 (8d6) poison and is poisoned for 1 min (DC 15 Con half damage and isn't poisoned). While poisoned in this way a creature can't regain hp. A poisoned creature can re-save at end of each of its turns success ends effect on itself.

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Troll, Rattleback — 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