Shanobog, a Prisão Devoradora

Uma criação recente de Arcantos, o Primeiro Lich. Um aglomerado de naufrágios e carcaças de criaturas marinhas fundidos na forma de uma monstruosidade marinha. O resultado é uma mescla titânica de golem e morto-vivo, baleia e polvo. As historias de sobreviventes indicam que só existe uma criatura, mas que ela muda e cresce conforme absorve os navios e criaturas que ataca. 

Um testemunho em particular, feito pelo marujo imperial Garos, jura que as tripulações atacadas não são absorvidas, mas engolidas e mantidas vivas para serem levadas até Neftul. Ele descreve o interior do monstro como uma masmorra de carne e madeira, onde ele encontrou carcereiros guardando centenas de prisioneiros, mantimentos, mercadorias vindas de embarcações afundadas e até uma tripulação pirata, que o ajudou a localizar pólvora seca o suficiente para estourar um rombo no Shanobog para que pudesse escapar. Garos pode ser encontrado no Hospital Camuliano em Noster Amaranthi.

Outro testemunho, vindo do almirante Federick de Abalm, é de que uma frota abalmiana conseguiu matar o monstro, com apoio de naves-de-ley. O retorno de shanobog, meses depois, foi uma completa surpresa. Espiões abalmianos se infiltraram em Neftul e, a muito custo, conseguiram descobrir a razão. Arcantos mantém uma espécie de coração do shanobog em Neftul, que serve como algo equivalente à filactéria de um lich: enquanto ele estiver intacto, shanobog irá se reconstruir a partir de seres marítimos e navios afundados.

Shanobog

Gargantuan construct, chaotic evil

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Armor Class 19 (natural armor)
Hit Points 388 (25d20 + 125)
Speed swim 60 ft.

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STR	DEX	CON	INT	WIS	CHA
30 (+10)	10 (+0)	20 (+5)	12 (+1)	16 (+3)	10 (+0)

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Damage Immunities necrotic; poison; bludgeoning, piercing, and slashing from nonmagical attacks not made with adamantine weapons

Condition Immunities charmed, exhaustion, frightened, paralyzed, petrified, poisoned

Senses blindsight 180 ft., darkvision 120 ft., passive Perception 13

Languages understands Common and Deep Speech but can't speak, telepathy 120 ft.

Challenge 23

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• Echolocation. The shanobog can't use its blindsight while deafened  
• Immutable Form. The shanobog is immune to any spell or effect that would alter its form. 
• Keen Hearing. The shanobog has advantage on Wisdom (Perception) checks that rely on hearing.
• Magic Resistance. The shanobog has advantage on saving throws against spells and other magical effects.  
• Magic Weapons. The shanobog's weapon attacks are magical. 
• Siege Monster. The shanobog deals double damage to objects and structures. 

ACTIONS

Multiattack. The shanobog makes six tentacle attacks.

1. Bite. Melee Weapon Attack: +17 to hit, reach 5 ft., one target. Hit: 23 (3d8 + 10) piercing damage.
2. Tentacle. Melee Weapon Attack: +17 to hit, reach 40 ft., one target. Hit: Hit: 23 (4d6 + 10) bludgeoning damage, and the target is grappled (escape DC 18). Until this grapple ends, the target is restrained (DC 18). The shanobog has sixteen tentacles, each of which can grapple one target.
3. Rot Breath (Recharge 5-6). The shanobog exhales necromantic energy in a 120-foot cone. Each creature in that area must make a DC 20 Constitution saving throw, taking 56 (16d6) necrotic damage on a failed save, or half as much damage on a successful one.  
4. Swallow. Melee Weapon Attack: +17 to hit, reach 5 ft., one target. Hit: the target is swallowed, and the grapple ends. While swallowed, the creature is blinded and restrained, it has total cover against attacks and other effects outside the shanobog. It doesn't take acid damage, for the shanobog's purpose is to transport its prisoners alive to Neftul. If the shanobog takes 60 damage or more on a single turn from a creature inside it, the shanobog must succeed on a DC 25 Constitution saving throw at the end of that turn or regurgitate all swallowed creatures, which fall prone in a space within 10 feet of the shanobog. If the shanobog dies, a swallowed creature is no longer restrained by it and can escape from the corpse using 60 feet of movement, exiting prone.

LEGENDARY ACTIONS

The Shanobog can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time and only at the end of another creature's turn. The Shanobog regains spent legendary actions at the start of its turn.

• Absorb (Costs 3 Actions). All creatures grappled by the shanobog start to be absorbed by it, being consumed in the process while it regenerates. The target suffers 14 (4d6) necrotic damage. The target's hit point maximum is reduced by an amount equal to the necrotic damage taken, and the shanobog regains hit points equal to that amount. The reduction lasts until the target finishes a long rest. The target dies if this effect reduces its hit point maximum to 0.
• Chomp (Costs 2 Actions). The shanobog makes one bite attack or uses its Swallow.
• Move. The shanobog moves up to half its speed.