Spinosaurus

Gargantuan Beast Unaligned

• Armor Class: 15 (natural armor)
• Hit Points: 232 (15d20 + 75)
• Speed: walk 40 ft.
• Challenge Rating: 13 (10,000 XP)
• Source: Tome of Beasts 2023, page 104

• Skills: Perception +5
• Damage Vulnerabilities: False
• Damage Immunities: False
• Damage Resistances: False
• Condition Immunities: False
• Senses: passive Perception 15
• Languages: —

Special Abilities

• Hold Breath: The spinosaurus can hold its breath for 1 hour.
• Reptilian Affinity: The spinosaurus never willingly attacks a reptilian Humanoid, such as a lizardfolk or dragonborn, unless attacked first. If magically forced to attack such a creature, the spinosaurus has disadvantage on attack rolls against it. This trait doesn't function if the spinosaurus's rider or tamer directs it to attack.
• Siege Monster: The spinosaurus deals double damage to objects and structures.

Actions

• Multiattack: The spinosaurus makes one Bite attack and two Claw attacks.
• Bite: Melee Weapon Attack: +12 to hit, reach 15 ft., one target. Hit: 33 (4d12 + 7) piercing damage. If the target is a Large or smaller creature, it is grappled (escape DC 18). Until this grapple ends, the target is restrained, and the spinosaurus can't Bite another target.
• Claw: Melee Weapon Attack: +12 to hit, reach 10 ft., one target. Hit: 21 (4d6 + 7) slashing damage.
• Tail: Melee Weapon Attack: +12 to hit, reach 20 ft., one target. Hit: 16 (2d8 + 7) bludgeoning damage.
• Frightful Presence: Each creature of the spinosaurus' choice that is within 120 feet of the spinosaurus and aware of it must succeed on a DC 18 Wisdom saving throw or become frightened for 1 minute. A creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. If a creature's saving throw is successful or the effect ends for it, the creature is immune to the spinosaurus's Frightful Presence for the next 24 hours.

The spinosaurus 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 spinosaurus regains spent legendary actions at the start of its turn.

Legendary Actions

• Move: The spinosaurus moves up to half its speed without provoking opportunity attacks.
• Roar: The spinosaurus uses Frightful Presence.
• Tail Attack (Costs 2 Actions): The spinosaurus makes one Tail attack.

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