b'Bakekujira \n'b'  Gargantuan   undead ,  neutral evil  \n'b'  Armor Class  19 (natural armor)  Hit Points  325 (21d20+105)  Speed  50 ft., swim 60 ft.\n'b' STATS STR: 30 (+10) DEX:  10 (+0)  CON:  20 (+5)  INT:  2 (-4)  WIS:  11 (+0)  CHA:  25 (+7)  \n'b'\n'b'\n'b'\n'b'\n'b'\n'b'\n'b'  Saving Throws   Cha  +14,  Con  +12,  Str  +17  Damage Resistances  bludgeoning, piercing, and slashing from nonmagical attacks  Damage Immunities  necrotic, poison  Condition Immunities   charmed ,  frightened ,  poisoned   Skills   Athletics  +17,  Perception  +14  Senses   darkvision  60 ft., passive  Perception  24  Languages  \xe2\x80\x93  Challenge  21 (33,000 XP) \n'b' SPECIAL TRAITS \n'b'\n'b'  Oceanic Revenge . The bakekujira deals an extra 7 (2d6) necrotic damage to any target that has killed a creature with a swim speed in the last 24 hours. \n'b'  Legendary Resistance (3/Day) . If the bakekujira fails a saving throw, it can choose to succeed instead. \n'b'  Undead Parasites . A swarm of undead fish and birds surrounds the bakekujira in a 30-foot radius. All creatures starting their turn within this radius must succeed a DC 20  Constitution  saving throw or be  poisoned  for 1 round. \n'b'\n'b' ACTIONS \n'b'\n'b'  Multiattack . The bakekujira makes one bite  attack  and one tail  attack . \n'b'  Bite .  Melee Weapon Attack : +17 to hit, 20 ft. reach, one target.  Hit : 65 (10d10 + 10) piercing damage. If the target is a creature, it must succeed a DC 20  Constitution  saving throw or be affected by the  contagion  spell. \n'b'  Tail .  Melee Weapon Attack : +17 to hit, 20 ft. reach, one target.  Hit : 55 (8d8 + 10) bludgeoning damage. \n'b'  Resonant Song (Recharge 5-6) . The bakekujira can release a damaging resonance, dealing 38 (7d8) points of thunder damage to creatures in a 60-foot cone. \n'b'\n'b' LEGENDARY ACTIONS \n'b' The bakekujira 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\xe2\x80\x99s turn. \n'b' The bakekujira regains spent legendary actions at the start of its turn. \n'b'\n'b'  Fast Healing (Costs 2 Actions) . The bakekujira regains 10 hit points. \n'b'  Leviathan\xe2\x80\x99s Call . The bakekujira\xe2\x80\x99s eerie song varies from that of a wistful memory to a burning hatred. As a standard action, a bakekujira can sing. Living creatures within a 120- foot radius of a singing bakekujira must succeed at a DC 20 Wisdom saving throw or become charmed or frightened (bakekujira\xe2\x80\x99s choice) for 1 round. \n'b'  Tail Attack . The bakekujira makes a tail  attack . \n'b'\n'b' ABOUT \n'b' The seas are home to many legends both living and undead, but the bakekujiras is perhaps one of the largest among these latter horrors. Some have trouble believing the old stories, but woe to anyone that discovers the truth. Bakekujiras were once whales that escaped from whalers\xe2\x80\x99 harpoons yet were mortally wounded, dying in agony and anger and arising to undeath bent on taking revenge for its demise. They relentlessly  attack  any vessels they encounter, capsizing them and inspiring terror in their crews. These embodiments of corrupted majesty prowl the seas, along with their flocks and schools of pestilent parasites. A bakekujira weighs about 50 tons, though sometimes less, depending on how long it has been decomposing. Bakekujiras are as large as they were in their former lives, measuring from 50 to 60 feet long. \n'b'  Parasitic Scavengers . As a bakekujira goes about its new, corrupted existence, it continues to rot until all the flesh is stripped from its bones, leaving behind only an immense skeletal whale. The decomposition process draws all sorts of sea scavengers to the rotting whale, from gulls to fish. However, the flesh of a bakekujira is not only rotten-it is also toxic and deeply infused with negative energy. Any creature that eats of this flesh sickens and dies, only to rise shortly thereafter and continues its existence as an undead thrall inexplicably bound to the bakekujira. Normally these creatures take up residence in and around the putrefied body of the bakekujira, swarming throughout the creature and only emerging to push back any who would seek to do  harm  to their rotting host.'