b'Doppleganger \n'b'  Medium   monstrosity  (shapechanger),  neutral evil  \n'b'  Armor Class  15 (leather armor)  Hit Points  77 (14d8 + 14)  Speed  30 ft.\n'b' STATS STR: 18 (+4) DEX:  18 (+4)  CON:  12 (+1)  INT:  17 (+3)  WIS:  12 (+1)  CHA:  13 (+1)  \n'b'\n'b'\n'b'\n'b'\n'b'\n'b'     Saving Throws   Dexterity  +7,  Intelligence  +6  Skills   Acrobatics  +7,  Deception  +4,  Perception  +4,  Stealth  +10  Senses   darkvision  60 ft., passive  Perception  14  Languages  Common, Giant, Orc, Undercommon  Challenge  5 (1,800 XP) \n'b' Special Traits \n'b'   Shapechanger . The doppleganger can use its action to  polymorph  into a Small or Medium humanoid it has seen, or back into its true form. Its statistics, other than its  size , are the same in each form. Any equipment it is wearing or carrying isn\xe2\x80\x99t transformed. It reverts to its true form if it dies. \n'b'  Ambusher . In the first round of a combat, the doppleganger has advantage on  attack  rolls against any creature it has surprised. \n'b'  Cunning Action . On each of its turns, the doppleganger can use a bonus action to take the  Dash ,  Disengage , or  Hide  action. \n'b'  Sneak Attack . Once per turn, the doppleganger deals an extra 14 (4d6) damage when it hits a target with a weapon  attack  and has advantage on the  attack  roll, or when the target is within 5 feet of an ally of the doppleganger that isn\xe2\x80\x99t incapacitated and the doppleganger doesn\xe2\x80\x99t have disadvantage on the  attack  roll. \n'b'  Surprise Attack . If the doppleganger surprises a creature and hits it with an  attack  during the first round of combat, the target takes an extra 10 (3d6) damage from the  attack . \n'b'  Actions \n'b'   Multiattack . The doppleganger makes two attacks with its claws or two attacks with its rapier per turn. \n'b'  Claws .  Melee Weapon Attack : +7 to hit, reach 5 ft., one target.  Hit : 13 (2d8 + 4) slashing damage. \n'b'  Rapier .  Melee Weapon Attack : +7 to hit, reach 5 ft., one target.  Hit : 8 (1d8 + 4) piercing damage. \n'b'  Light Crossbow .  Ranged Weapon Attack : +7 to hit, range 80/320 ft., one target.  Hit : 8 (1d8 + 4) piercing damage. \n'b'  Read Thoughts . The doppleganger magically reads the surface thoughts of one creature within 60 feet of it. The effect can penetrate barriers, but 3 feet of wood or dirt, 2 feet of stone, 2 inches of metal, or a thin sheet of lead blocks it. While the target is in range, the doppleganger can continue reading its thoughts, as long as the doppleganger\xe2\x80\x99s concentration isn\xe2\x80\x99t broken (as if concentrating on a spell). While reading the target\xe2\x80\x99s mind, the doppleganger has advantage on  Wisdom  ( Insight ) and  Charisma  ( Deception ,  Intimidation , and  Persuasion ) checks against the target.'