Weapon Devouring Tree

Weapon Devourer. A creature that touches the pudding or hits it with a melee attack must make succeed a dex check of 13 or the weapon suffers a -1 modifier to attack and damage rolls if it is non-magical. If the weapon's max damage is equal to 0 it is destroyed. It cannot be repaired magically if the Weapon Eating Tree is still alive.

Ammunition made of metal or wood that hits the pudding is destroyed after dealing damage.

Spider Climb. The pudding can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check.

Fire Absorption. The tree absorbs half of the fire damage it should have taken.

Siege Monster. The Weapon Devouring Tree deals double damage to objects and structures.

Legendary Resistance (3/Day). If the Weapon Devouring Tree fails a saving throw, it can choose to succeed instead.

Multiattack. The Weapon Devouring Tree can attack twice each turn.

Fire Breath (Recharge 5-6). The Weapon Devouring Tree exhales fire in a 90-foot cone. Each creature in that area must make a DC 24 Dexterity saving throw, taking 91 (26d6) fire damage on a failed save, or half as much damage on a successful one.

Summon Kin (1/day). The Weapon Devouring Tree calls forth either 1d4 treants and 1d4 awakened trees OR 1d4 Weapon Eating Trees and 1d4 awakened trees.

Tongue Vine Whip. Melee Weapon Attack: +17 to hit, reach 15 ft., one target. Hit: 6 (1d6 + 10) bludgeoning damage plus 18 (4d8) acid damage.

Gnashing Maw. Melee Weapon Attack: +17 to hit, reach 10 ft., one target. Hit: 12 (2d6 + 10) piercing damage plus 12 (2d6) bludgeoning damage. If the creature is wielding a weapon and takes both Whip and Maw attacks their weapon suffers from a -1 modifier to attack and damage rolls if it is non-magical. If the weapon's max damage is equal to 0 it is destroyed. It cannot be repaired magically if the Weapon Eating Tree is still alive.

Bludgeoning Branch. Melee Weapon Attack: +17 to hit, reach 15 ft., one target. Hit: 20 (3d12 + 10) bludgeoning damage. The target is then grappled (escape DC 18) Until this grapple ends, the target is restrained. The Weapon devouring tree can only grapple 3 targets like this.

Piercing Roots. All creatures within a 10 ft radius must succeed a dex save of 14. If they fail they take 24 (3d4 + 10) piercing damage and will be restrained.

Slashing Leaves. Ranged Weapon attack: +17 to hit, reach 150/600 ft. up to 3 targets. Hit: 12(4d6+6) slashing damage.

Weapon Devouring Tree 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. Weapon Devouring Tree regains spent legendary actions at the start of their turn.

Piercing Roots or Slashing Leaves. The Weapon Devouring Tree makes one piercing roots attack or slashing leaves attack.

Immolation (Cost 2 actions). Weapon Devouring Tree immolates itself dealing 30 (3d12 + 8) fire damage to all creatures within 15ft.

Gaping Maw (Cost 3 actions). Weapon Devouring Tree opens up its large mouth to devour the creature that has hit it previously. The creature is now grappled(escape DC 18 this should be noted that this does not count towards the grappling limit of  bludgeoning branch and only one such creature can be grappled with this action). Should the creature be unable to escape the grapple it will be swallowed and the grapple ends. While swallowed the creature is blinded and restrained, it has total cover against attacks and other effects outside the Weapon Devouring Tree, and it takes 23 (8d6) fire damage and 23 (8d6) acid damage. If the Weapon Devouring Tree takes 45 damage or more in a single turn from a creature inside it, the Weapon Devouring Tree must succeed on a DC 20 Constitution saving throw or regurgitate all swallowed creatures, which fall prone in a space withing 10 ft of the Weapon Devouring Tree. If the Weapon Devouring Tree dies, a swallowed creature is no longer restrained by it and can escape from the corpse by using 30 ft of movement, exiting prone.