b'Will-o\xe2\x80\x99-the-Mist \n'b'  Tiny   undead ,  chaotic evil  \n'b'  Armor Class  19  Hit Points  60 (24d4)  Speed  0 ft., fly 50 ft. (hover)\n'b' STATS STR: 1 (-5) DEX:  28 (+9)  CON:  10 (+0)  INT:  15 (+2)  WIS:  16 (+3)  CHA:  14 (+2)  \n'b'\n'b'\n'b'\n'b'\n'b'\n'b'\n'b'  Saves   Wis  +5,  Cha  +4  Skills   Deception  +4,  Perception  +7,  Stealth  +12  Damage Resistances  acid, cold, fire, necrotic, thunder; bludgeoning, piercing, and slashing from nonmagical weapons  Damage Immunities  lightning, poison  Condition Immunities   exhaustion ,  grappled ,  paralyzed ,  poisoned ,  prone ,  restrained ,  unconscious   Senses   darkvision  60 ft., sense thoughts 60 ft., passive  Perception  17  Languages  Aklo, Common  Challenge  4 (1,100 XP) \n'b' SPECIAL TRAITS \n'b'\n'b'  Ephemeral . The will-o\xe2\x80\x99-the-mist can\xe2\x80\x99t hold or wear anything. \n'b'  Feed on Emotions . When a will-o\xe2\x80\x99-the-mist starts its turn within 10 feet of a creature at  0 hit points  or a creature that is  charmed ,  frightened , enraged, or confused, it gains 5  temporary hit points . \n'b'  Incorporeal Movement . The will-o\xe2\x80\x99-the-mist can move through other creatures and objects as if they were  difficult terrain . It takes 5 (1d10) force damage if it ends its turn inside an object. \n'b'  Innate Spellcasting : The will-o\xe2\x80\x99-the-mist\xe2\x80\x99s innate spellcasting ability is  Wisdom  (spell save DC 13). The will-o\xe2\x80\x99-the-mist can innately cast the following spells, requiring no components: \n'b'\n'b'  At will :  dancing lights ,  fog cloud ,  hypnotic pattern  \n'b'  1/day :  hallucinatory terrain  \n'b'\n'b'  Invisibility . The will-o\xe2\x80\x99-the-mist is  invisible . It can choose to become visible or  invisible  on its turn.\n'b'\n'b'  Magic Resistance . The will-o\xe2\x80\x99-the-mist has advantage on saving throws against spells and other magical effects. \n'b'  Sense Thoughts . A will-o\xe2\x80\x99-the-mist can sense the presence of sentient creatures ( Intelligence  2 or higher) within 60 feet as if it had blindsight. It can sense the presence and location of undead and constructs as long as they are intelligent, but it cannot detect creatures with  Intelligence  1 or creatures protected by  nondetection ,  mind blank , or a similar effect. \n'b'\n'b' ACTIONS \n'b'\n'b'  Shock .  Melee Spell Attack : +5 to hit, reach 5 ft., one target.  Hit : 12 (2d8+3) lightning damage. \n'b'  Spark . The will-o\xe2\x80\x99-the-mist can cause a spark to shock a target within 30 feet that it hit with its Shock  attack  within the last minute, dealing 9 (2d8) lightning damage on a failed DC 14  Constitution  saving throw, or half as much on a success. A creature failing its saving throw is also  paralyzed  for 1d4 rounds, though it can attempt a new saving throw each round at the end of its turn to end the effect. A creature that succeeds on any of these saving throws is immune to being  paralyzed  by that will-o\xe2\x80\x99-the-mist\xe2\x80\x99s  Spark   attack  for 1 minute. \n'b'\n'b' LEGENDARY ACTIONS \n'b' The will-o\xe2\x80\x99-the-mist 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. The will-o\xe2\x80\x99-the-mist regains spent legendary actions at the start of its turn. \n'b'\n'b'  Shock . The will-o\xe2\x80\x99-the-mist makes a shock  attack . \n'b'  Spark (Costs 2 Actions) . The will-o\xe2\x80\x99-the-mist uses its  Spark  ability. \n'b'  Cast Spell (Costs 3 Actions) . The will-o\xe2\x80\x99-the-mist casts one spell. \n'b'\n'b' ABOUT \n'b' Every trapper and bog farmer living near marshes or swamps has his own name for these faintly glowing balls of  light \xe2\x80\x94jack o\xe2\x80\x99 the lanterns, walking fires, pine lights, spooklights, rushlights\xe2\x80\x94but all recognize them as dangerous predators and false guides in the  darkness . A will-o\xe2\x80\x99-the-mist is even deadlier for its ability to not just lead folk astray by their lights and disappearance but to be able to  shroud  them in veils of mist and illusion that leave even careful travelers hopelessly lost.'