b'Kaulvrex Master Controller \n'b'  Medium   monstrosity ,  neutral  \n'b'  Armor Class  17 (natural armor)  Hit Points  71 (11d8+22)  Speed  40 ft., burrow 20 ft., swim 20 ft.\n'b' STATS STR: 13 (+1) DEX:  17 (+3)  CON:  15 (+2)  INT:  12 (+1)  WIS:  12 (+1)  CHA:  14 (+2)  \n'b'\n'b'\n'b'\n'b'\n'b'\n'b'\n'b'  Saving Throws   Dex  +6,  Int  +4,  Wis  +4  Skills   Acrobatics  +9,  Athletics  +7,  Intimidation  +8,  Perception  +7,  Persuasion  +8,  Stealth  +9  Senses   darkvision  60 ft., passive  Perception  17  Languages  chemical communication  Challenge  5 (1,800 XP) \n'b' SPECIAL TRAITS \n'b'\n'b'  Chemical Communication . As a kaulvrex drone. \n'b'  Cunning Action . The master controller can take a bonus action on each of its turns in combat. This action can be used only to take the  Dash ,  Disengage , or  Hide  action. \n'b'  Expertise . A master controller\xe2\x80\x99s proficiency bonus (+3) is doubled for any ability check it makes using a tool with which it is proficient. \n'b'  Third Arm . As a kaulvrex drone. \n'b'\n'b' ACTIONS \n'b'\n'b'  Multiattack . The kaulvrex makes three attacks: one with its bite, one with its claws, and one with its tail slap. \n'b'  Bite .  Melee Weapon Attack : +6 to hit, reach 5 ft., one target.  Hit : 6 (1d6 + 3) bludgeoning damage, plus 3 (1d6) acid damage. \n'b'  Claws .  Melee Weapon Attack : +6 to hit, reach 5 ft., one target.  Hit : 8 (2d4 + 3) slashing damage. \n'b'  Tail Slap .  Melee Weapon Attack : +6 to hit, reach 10 ft., one target.  Hit : 7 (1d8 + 3) bludgeoning damage, plus 5 (1d10) fire damage, and the target is chemically marked, as a kaulvrex drone. \n'b'  Acid Spit .  Ranged Weapon Attack : +6 to hit, range 10/30 ft., one target.  Hit : 10 (2d6 + 3) acid damage.'