b'Arnsenon \n'b'  Large   aberration ,  chaotic neutral  \n'b'  Armor Class  18 (natural armor)  Hit Points  171 (18d10+72)  Speed  15 ft., fly 40 ft. (hover), swim 80 ft.\n'b' STATS STR: 21 (+5) DEX:  16 (+3)  CON:  19 (+4)  INT:  5 (-3)  WIS:  14 (+2)  CHA:  12 (+1)  \n'b'\n'b'\n'b'\n'b'\n'b'\n'b'\n'b'  Saving Throws   Str  +10,  Dex  +8,  Int  +2  Skills   Athletics  +10,  Perception  +7,  Survival  +12  Damage Resistances  acid, fire, necrotic, psychic; bludgeoning, piercing damage from nonmagical attacks  Damage Immunities  poison  Condition Immunities   charmed ,  exhaustion ,  frightened ,  poisoned ,  stunned   Senses   darkvision  300 ft., passive  Perception  17  Languages  -, telepathy 50 ft.  Challenge  13 (10,000 XP) \n'b' SPECIAL TRAITS \n'b'\n'b'  Blood Frenzy . The arnsenon has advantage on  melee attack  rolls against any creature that doesn\xe2\x80\x99t have all its  hit points . \n'b'  Hivemind . The arnsenon\xe2\x80\x99s  Intelligence  score increases by 1 for each arnsenon within 60 feet. \n'b'  Innate Spellcasting . The arnsenon\xe2\x80\x99s innate spellcasting ability is  Wisdom  (spell save DC 15). The arnsenon can innately cast the following spells, requiring no material components:\n'b'\n'b'\n'b'  At will :  detect thoughts , hellish rebuke \n'b'  3/day :  pass without trace  \n'b'  1/day :  plane shift  (self only) \n'b'\n'b'  Magic Resistance . The arnsenon has advantage on saving throws made against spells and other magical effects. \n'b'  Unbreathing . The arnsenon does not need to breathe or sleep. \n'b'\n'b' ACTIONS \n'b'\n'b'  Multiattack . The arnsenon attacks twice. \n'b'  Bite .  Melee Weapon Attack : +10 to hit, reach 5 ft., one target.  Hit : 31 (4d12+5) magical piercing damage. \n'b'  Tri-Beam .  Ranged Weapon Attack : +8 to hit, range 100/400 ft., one target.  Hit : 25 (4d10+3) force damage.'