Titanic Size. Other creatures that are Huge or smaller can share the same space as Anguirus.
Siege Monster. Anguirus causes double damage to objects and structures
Regeneration. Anguirus regains 30 hit points at the start of its turn if it has at least 1 hit point.
Spiked Shell. Anguirus gains +4 to his AC and is counted as natural armor.
Magic Resistance. Anguirus has advantage on saving throws against spells and other magical effects.
Hold Breath. Anguirus can hold his breath for 3 hours.
Legendary Resistence (3/Day). If Anguirus fails a saving throw, it can choose to succeed it instead.
Multiattack. Anguirus makes three attacks: one with its bite and two with its claws. It can make one tail attack in place of its two claw attacks.
Bite. Melee Weapon Attack: +19 to hit, reach 15 ft., one target. Hit: 44 (4d12+10) piercing damage.
Claw. Melee Weapon Attack: +19 to hit, reach 10 ft., one target. Hit: 44 (4d12+10) slashing damage.
Stomp. Melee Weapon Attack +19 to hit, reach 10 ft., one creature Huge or smaller, Hit: 40 (4d10+10) bludgeoning damage
Tail. Melee Weapon Attack: +19 to hit, reach 15 ft., one target. Hit: 36 (4d8+10) bludgeoning damage. If the target is a Huge ore larger creature, it must succeed on a DC 27 Strength saving throw or be pushed up to 10 feet away from Anguirus and knocked prone.
Repulsion Roar. Anguirus roars repulsion energy in a 120ft. cone. Each creature in that area must succeed on a DC 27 Strength saving throw. On a failed save, the creature is pushed 60 feet away from Anguirus.
Tail Trip. Anguirus can make a tail attack. On a hit, the target must make a DC 17 DEX saving throw or be knocked prone. This can only be used on an attack of opportunity.
Spiked Shell. Anguirus can use his body to block an attack using his great spiked shell. The target takes half the average Spiked Shell damage if it fails a DC 17 DEX save.
Anguirus can take 4 legendary actions, choosing from the option below. Only one legendary action option can be used at a time, and only at the end of another creature's turn, Anguirus regains all spent legendary actions at the start of its turn.
Attack. Anguirus makes a claw, bite, or tail attack.
Move. Anguirus moves up to half its speed.
Tunneler (Costs 2). Anguirus can burrow through solid rock at half his burrowing speed and leaves a 100-foot-wide, 100-foot-tall tunnel in its wake. He can use this as a bonus action to travel a quarter of his movement.
Trample (Costs 2). Anguirus moves up to half his speed and can move though the spaces of huge or smaller creatures while doing so. Whenever Anguirus enter a creature's space for the first time in the turn, the creature must make a DC 20 DEX saving throw, taking 52 (10d8) bludgeoning damage on a failed save, or half as much on a successful one.
Swat (Costs 2). Anguirus can make a tail attack. On a hit, the target must make a DC 27 STR saving throw or be knocked away 75 feet.
If Anguirus' trait is active, he can use one of the options below as a legendary action, as long as he has less than half his maximum hit points.
Spiked Shell. Anguirus can turn his body and launch himself shell first into on Gragantuan sized creature within a 10ft. range. The target creature must make a DC 17 DEX save or take 44 (4d12+10) piercing damage. Anguirus then makes his own DEX save to land or be knocked prone.
Tremor (Costs 2). If Anguirus took a bonus action in a pervious turn to tunnel his way into the landscape, he can take this turn to make an attack from below. The tremor takes up a 100 foot radius that travels up to 60 ft. Creature within the path of the tremor must make a DC 17 DEX save or be knocked prone. Anguirus can either stay underground or take an action to emerge above ground.
Cannonball (Costs 2). If Anguirus used his previous action to perform Underfoot Tremor, he can then dash from underground to launch himself curled up in a ball and into a Gargantuan sized target. The attack is treated as a Spiked Shield, complete with the need for Anguirus to makes a DEX saving throw..