b'Naga, Guardian (Fiendish) \n'b'  Family:   Nagas  \n'b'  Large   monstrosity ,  lawful evil  \n'b'  Armor Class  18 (natural armor)  Hit Points  170 (20d10 + 60)  Speed  40 ft.\n'b' STATS STR: 19 (+4) DEX:  18 (+4)  CON:  16 (+3)  INT:  16 (+3)  WIS:  19 (+4)  CHA:  18 (+2)  \n'b'\n'b'\n'b'\n'b'\n'b'\n'b'\n'b'  Saving Throws  DEX +8, CON +7, INT +7, WIS +8, CHA +8  Damage Resistances  cold; bludgeoning, piercing, and slashing from nonmagical attacks not made with silver  Damage Immunities  fire, poison  Condition Immunities   charmed ,  poisoned   Senses  darkvision 120 ft., passive  Perception  15  Languages  Common, Infernal  Challenge  12 (8,400 XP) \n'b' Special Traits \n'b'\n'b'  Rejuvenation . If it dies, the naga returns to life in 1d6 days and regains all its  hit points . Only a  wish  spell can prevent this trait from functioning. \n'b'  Spellcasting . The naga is an 11th-level spellcaster. Its spellcasting ability is  Wisdom  (spell save DC 16, +8 to hit with spell attacks), and it needs only verbal components to cast its spells. It has the following  cleric  spells prepared:\n'b'\n'b'\n'b'  Cantrips  (at will):  mending ,  sacred flame ,  thaumaturgy  \n'b'  1st level  (4 slots):  command ,  inflict wounds ,  shield of faith  \n'b'  2nd level  (3 slots):  calm emotions ,  hold person  \n'b'  3rd level  (3 slots):  bestow curse ,  clairvoyance  \n'b'  4th level  (3 slots):  banishment ,  freedom of movement  \n'b'  5th level  (2 slots):  flame strike ,  geas  \n'b'  6th level  (1 slot):  true seeing  \n'b'\n'b' Actions \n'b'\n'b'  Bite .  Melee Weapon Attack : +8 to hit, reach 10 ft., one creature.  Hit : 9 (1d10 + 4) piercing damage, and the target must make a DC 17  Constitution  saving throw, taking 55 (10d10) poison damage on a failed save, or half as much damage on a successful one. \n'b'  Spit Poison .  Ranged Weapon Attack : +8 to hit, range 15/30 ft., one creature.  Hit : The target must make a DC 17  Constitution  saving throw, taking 55 (10d10) poison damage on a failed save, or half as much damage on a successful one.'