Echidna (5e Creature)
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Gargantuan monstrosity, lawful evil
Saving Throws Wis +14
Limited Magic Resistance. The echidna can't be affected or detected by spells of 6th level or lower unless she wishes to be. She has advantage on saving throws against all other spells and magical effects.
Gargantuan Weapon Master. Before the echidna makes a melee weapon attack, she may choose to take a -5 penalty to her attack roll. If the attack hits, she adds +10 to the attack's damage and if this attack reduces a creature to 0 hit points, the echidna may make one additional attack with the same weapon as a bonus action.
Sweeping Attack Maneuver. When the echidna hits a creature with a melee weapon attack, she may choose up to two additional creatures within 5 feet of the original target. If the result of her attack would hit an additional target, it takes 18 (4d8) damage of the same type of the weapon used.
Amphibious. The echidna can breathe both air and water.
Multiattack. The echidna makes four attacks, only one of which may be with her bite.
Bite. Melee Weapon Attack: +15 to hit, reach 15 ft. one target. Hit: 28 (6d6 + 7) piercing damage.
Greatsword. Melee Weapon Attack: +15 to hit, reach 10 ft., one target. Hit: 35 (8d6 + 7) slashing damage.
Halberd. Melee Weapon Attack: +15 to hit, reach 20 ft., one target. Hit: 29 (4d10 + 7) slashing damage.
Maul. Melee Weapon Attack: +15 to hit, reach 10 ft., one target. Hit: 35 (8d6 + 7) bludgeoning damage.
Longbow. Ranged Weapon Attack: +10 to hit, range 150/600 ft., one target. Hit: 25 (4d8 + 2) piercing damage.
Fire Breath (Recharge 6). The echidna releases a massive burst of flame, breathing fire in a 120-foot cone. Each creature in that area must make a DC 22 Dexterity saving throw, taking 70 (20d6) fire damage on a failed save, or half as much damage on a successful one.
Snake Hair Riposte. When a creature within 5 feet of the echidna hits her with a melee attack, she may make one bite attack against the target.
Echidna 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. Echidna regains spent legendary actions at the start of her turn.
Move. The echidna moves up to her speed without provoking opportunity attacks.
An echidna is a very very long naga-like creature. An echidna has the gargantuan head and upper torso and arms of a human female. Her body is that of a great serpent hundreds of feet long. An echidna is always female.
Monster Babies. Ever wonder why there are so many monstrosities and aberrations in the world, even though high-level characters keep killing them off? Well, the credit can be laid at the feet of the echidna, mother of monsters. The echidna is a gargantuan monster similar to a naga that lays giant eggs, birthing other monsters. An echidna can give birth to the monsters on the table below. Echidnas exclusively give birth to aberrations and monstrosities only. The eggs must be kept in water. Gargantuan monsters will are birthed as a Huge baby monster of that type. Her eggs will be of various sizes depending on the creature being incubated.
An Echidna's Lair
An echidna is generally to be found with her long serpentine body coiled in and out around dozens of eggs, to keep them warm. A full grown echidna spends the majority of her time in her lair which is generally a rocky cavern near the edge of an ocean, huge lake, or inland sea. Her lair always has some sort of access to the water and some sort of access to the under dark, some sort of access to the air, and some sort of access to the overland outdoors. Each of these accesses is large enough for a Huge creature to traverse, although there may be numerous guardian allies to resist entry. Her babies round up food for her so that she almost never has to leave her lair. Echidnas will never leave their lair, even if they are on the losing side of a battle. They would prefer to die there and will not retreat.
On initiative count 20 (losing initiative ties), the echidna takes a lair action to cause one of the following effects; the echidna can't use the same effect two rounds in a row:
When encountered, the echidna will be found in the presence of 3d6 of her monstrosity/aberration babies. Unless otherwise specified, her babies will be full grown monsters. For the dungeon master's convenience the table below contains simplified versions of each baby. You may certainly use the full articles found in the Monster Manual except for the baby Gargantuan creatures, which are listed as '(Huge baby)':
|2||(Huge baby) Echidna||M||16||16||300||30/40s||+5 1x||4d6 + 5||fire breath 12d6||20||Dex|
|3||(Huge baby) Kraken||M||14||15||280||20 ft.||+9 1x||2d6 + 5||Lightning Storm||18||Dex||immune to lightning; bludgeoning, piercing, and slashing from nonmagical attacks, frightened, paralyzed|
|4||(Huge baby) Tarrasque||M||20||20||350||35 ft.||+10 5x||3d8||or Swallow 8d6||immune to fire, poison; bludgeoning, piercing, and slashing from nonmagical attacks, charmed, frightened, paralyzed, poisoned|
|5||(Huge baby) Roc||M||8||14||180||20/120||+9 2x||4d6 + 9||and talon grapple||16||Keen Sight|
|6||(Huge baby) Purple worm||M||9||18||150||50/30t||+9 1x||2d8 + 9||and Stinger 17d6||19||Con||tunneller speed 30 ft.|
|7||Mimic||M||2||12||58||15 ft.||+5 1x||1d8 + 3||Adhesive||13||???||immunity to acid, prone|
|8||Doppelganger||M||3||14||52||30 ft.||+6 2x||1d6 + 4 slam||surprise attack 3d6||reads thoughts, ambusher, shapechanger, immunity to charmed|
|9||Otyugh||A||5||14||114||30 ft.||+6 4x||1d8 + 3 bite||Grapple Slam 2d6 + 3||14||Con||limited telepathy (send only)|
|10||Bulette||M||5||17||94||40 ft.||+7 1x||4d12 + 4||15-foot Leap 3d6 + prone||16||d/s||burrow 20 ft.|
|11||Rust monster||M||.5||14||27||40 ft.||+3 1x||1d8 + 1||corrode ferrous item||11||Dex||Iron Scent 30 ft., -1 dmg / hit cumulative|
|12||Hydra||M||8||15||172||30 ft.||+8 hdx||1d10 + 5||# head reactions||hold breath for one hour|
|13||Ettercap||M||2||13||44||30/30c||+4 2x||1d8 + 1||bite 2d4 + 2 and 1d8 poison||11||Con||climb 30 ft, web +4 30 ft. restrain|
|14||Death dog||M||1||12||39||40||+4 2x||1d6+2 bite||bite poison 1d10/day||12||Con||Advantage against blinded, charmed, deafened, frightened, stunned, unconscious|
|15||Grell||A||3||copyright||Wizards of the Coast||Monster Manual page 172|
|16||Displacer beast||M||3||copyright||Wizards of the Coast||Monster Manual page 81|
|17||Carrion crawler||M||2||copyright||Wizards of the Coast||Monster Manual page 37|
|18||Beholder||A||13||copyright||Wizards of the Coast||Monster Manual page 26|
|19||Umber hulk||M||5||copyright||Wizards of the Coast||Monster Manual page 292|
|20||Yuan-ti abomination||M||7||copyright||Wizards of the Coast||Monster Manual page 308|
|21||Manticore||M||3||14||68||30 ft.||+5 3x||1d8 + 3||tail spikes 100 ft., 1d8 + 3|
|22||Grick||M||2||14||27||30/30||+4 1x||2d6 + 2||if hits, beak attack 1d6 + 2|
|23||Owlbear||M||3||13||59||40 ft.||+7 2x||2d8 + 5||and Beak 1d10 + 5||Keen Sight and Smell|
|24||Behir||M||11||17||168||50 ft.||+10 1x||3d10 + 6||20-foot line, 12d10||16||Dex||immune to lightning, and constrict 2d10 + 6, or swallow 6d6|
|25||Chuul||A||4||16||93||30 ft.||+6 2x||2d6 + 4||and poison tentacles||13||Con||immune to poison, poisoned|
|26||Chimera||M||5||14||114||30 ft.||+7 3x||2d6 + 4||fire breath 15-foot cone 7d8||15||Dex||none|
|27||Basilisk||M||3||15||52||20 ft.||+5 1x||2d6 + 3||stone gaze||12||Dex||attack includes 2d6 poison|
|28||Darkmantle||M||1||11||22||10/30f||+5 1x||1d6 + 3||engulf Medium head grapple||13||Str||15-foot radius darkness 1/day, echolocation, disguise|
|29||Roper||M||5||20||93||10/10c||+7 1x||4d8 + 4||4x tendril 50 ft. drag 25 ft.||15||Str||disguise as stalagmite etc.|
|30||Cloaker||A||8||14||78||10/40f||+6 2x||2d6 + 3 bite||and 1d8 + 3 tail, moan||13||Wis||3 duplicates|
|31||Drider||M||6||19||123||30/30c||+6 3x||1d8 + 3 sword||or bite 1d4 plus 2d8 poison||or 3x long bow 1d8 + 3|
|32||Ankheg||M||2||14||39||30/10b||+5 1x||3d6 + 3 bite||then grapple||13||acid spray 30-foot line 3d6, DC 13 Dex save (Recharge 6)|
|33||Remorhaz||M||11||17||195||30/20b||+11 1x||6d10 + 7 bite||&3d6 fire & grapple||17||swallow if grapple Small or Medium 6d6 acid damage per turn, immune to cold, fire|
|34||Cockatrice||M||.5||11||27||20/40f||+3 1x||1d4 + 1 bite||& magic petrified||11||Con|
|35||Centaur||M||2||12||45||50 ft.||+6 2x||1d10 + 4, 2d6 + 4||or long bow 1d8 + 2||charge 3d6 pike|
|36||Hippogriff||M||1||11||19||40/60f||+5 2x||1d10 + 3 beak||and 1d10 + 3 claws||Keen Sight|
|37||Griffon||M||2||12||59||30/80f||+6 2x||1d8 + 4 beak||and 2d6 + 4 claws||Keen Sight|
|38||Aboleth||A||10||17||135||10/14s||+9 3x||2d6 + 5||underwater disease||14||Con||Probing Telepathy, tail 3d6 + 5, enslave 3/day, 3d6 psychic drain|
|39||Androsphinx||M||17||17||199||40/60s||+12 2x||2d10 + 6 claw||roar (1. frightened, 2. deafened, 3. thunder)||18||Wis||immune to psychic; bludgeoning, piercing, and slashing from nonmagical attacks, Spellcasting|
|40||Gynosphinx||M||11||17||136||40/60s||+8 2x||2d8 + 4 claws||spells||16||var||immune to psychic, resist bludgeoning, piercing, and slashing from nonmagical attacks, teleport 120 feet|