Huge Monstrosity, Unaligned
Armor Class 18 (natural armor)
Hit Points 184 (16d12 + 80)
Speed 30 ft., Swim 30 ft.
STR
23 (+6)
DEX
13 (+1)
CON
20 (+5)
INT
2 (-4)
WIS
12 (+1)
CHA
5 (-3)
Saving Throws CON +10, WIS +6
Skills Perception +9, Stealth +5
Damage Resistances Fire, Lightning
Damage Immunities Poison
Condition Immunities Poisoned
Senses Darkvision 60 ft., Passive Perception 19
Languages Understands Bullywug but cannot speak it.
Challenge 15 (13,000 XP)
Proficiency Bonus +5
Traits

Amphibious. The Colossal Sun Toad can breathe air and water.

Shock Susceptibility. If the Colossal Sun Toad takes lightning damage, it suffers several effects until the end of its next turn: its speed is halved, it takes a −2 penalty to AC and Dexterity saving throws, it can’t use reactions or Multiattack, and on its turn, it can use either an action or a bonus action, not both.

Poisonous Warts. The Colossal Sun Toad that has reached the Huge size is covered in warts that swell with light. A creature that touches the Collosal Sun Toad or that hits it with a melee attack while within 5 feet of it (a DC 10 Dexterity save and you can choose to move back 5 feet as a reaction) must make a DC 10 Constitution saving throw. On a failure, the creature is blinded and poisoned caused by the eruption of bright light and innards from the wart into their eyes and mouth. The DC 10 Constitution saving throw can be rerolled at the end of their next turn.

Actions

Multiattack. The Colossal Sun Toad makes three attacks. One with its stomp, One with its tongue or bite and another with its Solar Flare. 

Stomp. Melee Weapon Attack: +9 to hit, reach 10 ft., one target. Hit: 16 (2d10 + 5) bludgeoning damage.

Bite. Melee Weapon Attack: +10 to hit, reach 5 ft., one target. Hit: 22 (3d10 + 6) piercing damage, and the target is swallowed if it is a Medium or smaller creature. A swallowed creature is restrained and has total cover against attacks and other effects outside the Colossal Sun Toad, and takes 10 (3d6) acid damage at the start of each of the Colossal Sun Toad's turns.

The Colossal Sun Toad's gullet can hold up to two creatures at a time. If the Colossal Sun Toad takes 20 damage or more on a single turn from a creature inside it, the Colossal Sun Toad must succeed on a DC 20 Constitution saving throw at the end of that turn or regurgitate all swallowed creatures, each of which falls prone in a space within 10 feet of the Colossal Sun Toad. If the Colossal Sun Toad dies, a swallowed creature is no longer restrained by it and can escape from the corpse using 10 feet of movement, exiting prone.

Tongue. The Colossal Sun Toad targets one Medium or smaller creature that it can see within 20 feet of it. The target must make a DC 18 Strength saving throw. On a failed save, the target is pulled into an unoccupied space within 5 feet of the Colossal Sun Toad, and the Colossal Sun Toad can make a bite attack against it as a bonus action.

Solar Flare (Recharge 5–6). The Collosal Sun Toad opens its mouth and exhales blinding sunlight in a 60-foot cone (at any point it is as wide as it is long). Bright light extends for an additional 60 feet and a further 60 feet of dim light. Each creature in the initial 60-foot cone must make a DC 22 Constitution saving throw. On a failed save the creature is blinded. 

Bonus Actions

Consume Light. The Colossal Sun Toad targets one light source that it can see within 20 feet of it. The light source is extinguished as it is consumed by the Collosal Sun Toad. The Collosal Sun Toad restores 20HP.

Bite. Any creature that has been pulled within 5ft of the Collosal Sun Toad's Tongue Action can now be targeted by the Bite as a Bonus Action.

Reactions

Consume Light. When a light source is created within 20 feet of the The Colossal Sun Toad. The Colossal Sun Toad targets the light source and it is extinguished as it is consumed by the Collosal Sun Toad. The Collosal Sun Toad restores 20HP.

Description

The Collosal Sun Toad is the result of an experiment to produce a Toad that can consume light. This botched experiment resulting in a Toad that not only consumes light, but grows exponentially each time it successfully consumes a light source.

The Collosal Sun Toad begins its lifecycle as a Tiny creature that seeks out light sources and consumes them. 

Generally these Monstrosities do not live long enough to develop a Lair but if required the Lair Actions can be utilised. 

Based on the growth of monsters, they're lifecycle would only be a few days or more depending on how it is able to control its desire to consume light or if it runs out of light to consume and finds something else to feast on.

As the Collosal Sun Toad outgrows its size, the body of the Collosal Sun Toad will swell and light will begin emitting from any openings .

When a Collosal Sun Toad has consumed too much light it outgrows the Huge size (DMs discretion) and becomes Gargantuan. Whilst Gargantuan, each time it consumes light it must succeed on a DC20 Constitution saving throw and on a failure it erupts in an explosion of bright light and poisonous innards.

The bright light is a 60-foot-radius sphere of pure sunlight that spreads out from the location of its death. The sunlight is permanent and can never be removed short of a wish spell.

The poisonous innards erupt onto anyone within 20-feet of the Collosal Sun Toad. Each creature must make a DC 10 Constitution saving throw. On a failure, the creature takes 2d10 + 5 poison damage and is poisoned. The DC 10 Constitution saving throw can be rerolled at the end of their next turn.

 

Monster Tags: monstrosity

Habitat: SwampUnderdark

jaykill33

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