Dungeons & Dragons 2024 (D&D) Monster/NPC: Ice Dragon Turtle

Homebrew

Traits

Amphibious. The dragon turtle can breathe air and water.   Legendary Resistance (3/Day, or 4/Day in Lair). If the dragon turtle fails a saving throw, it can choose to succeed instead.   Siege Monster. The dragon turtle deals double damage to objects and structures.

Actions

Multiattack.The dragon turtle makes two Bite attacks and uses Fling, Freeze, or Swallow.   Bite. Melee Attack Roll: 1d20+12 , reach 30 ft. Hit: 3d6+7 Bludgeoning damage and 2d6+6 Cold damage. Strength Saving Throw DC20, on failure the target has the Grappled condition (escape DC 20) from one of ten tentacles, and it has the Restrained condition until the grapple ends.   Fling. The dragon turtle throws a Large or smaller creature Grappled by it to a space it can see within 60 feet of itself that isn’t in the air. Dexterity Saving Throw DC 20, the creature thrown and each creature in the destination space, on failure 4d8 Bludgeoning damage, and the target has the Prone condition. On success half damage only.   Freeze. Constitution Saving Throw DC 18, one creature the dragon turtle has Grappled. On failure, 6d6 Cold damage and the target has the Paralyzed condition. On success, half damage only. When the creature is killed by this ability it is frozen solid and will shatter when dropped.   Swallow. Dexterity Saving Throw DC 16, one creature Grappled by the dragon turtle (it can have up to two creatures swallowed at a time). On failure, 3d8+7 Piercing damage. If the target is Large or smaller, it is swallowed and no longer Grappled. A swallowed creature has the Restrained condition, has Total Cover against attacks and other effects outside the dragon turtle, and takes 5d6 Acid damage at the start of each of its turns. If the dragon turtle takes 50 damage or more on a single turn from a creature inside it, the dragon turtle must succeed on a DC 25 Constitution saving throw at the end of that turn or regurgitate all swallowed creatures, each of which falls in a space within 10 feet of the dragon turtle with the Prone condition. If the dragon turtle dies, any swallowed creature no longer has the Restrained condition and can escape from the corpse using 15 feet of movement, exiting Prone.

Legendary Actions

Legendary Action Uses: 2 (3 in Lair). Immediately after another creature’s turn, the dragon turtle can expend a use to take one of the following actions. The dragon turtle regains all expended uses at the start of each of its turns.   Bite. The dragon turtle uses Bite.   Frozen Sea. If the dragon turtle is submerged in water it can use its icy body to freeze the waters in an Emanation 30 ft. from the edges of its body. This turns the water into a thick sheet of ice and if a creature is swimming in the area it makes a Constitution Saving Throw DC20, on failure it takes 3d6 Cold damage and gets trapped in the ice (must make an Athletics or Acrobatics check DC15 to escape). On success it only takes half damage. A creature that starts its turn or enters the ice must make a Dexterity Saving Throw DC15 or fall Prone.