Armor Class 13 (natural armor)
Hit Points 102 (12d10 + 36)
Speed 30 ft., swim 30 ft., climb 30 ft.
Skills Deception +3, Stealth +2
Damage Resistances [object Object]
Damage Immunities acid
Senses blindsight 30 ft., passive Perception 13
Languages Olman, Primordial
Challenge 4
Amphibious. Tecuziztecatl can breathe air and water.
Glowing. Tecuziztecatl sheds dim light within 20 feet of itself.
Flexible. Tecuziztecatl can enter a space large enough for a Medium creature without squeezing.
Spider Climb. Tecuziztecatl can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check.
Multiattack. Tecuziztecatl makes two pseudopod attacks.
Pseudopod. Melee Weapon Attack: +5 to hit, reach 10 ft., one target. Hit: 12 (2d8 + 3) bludgeoning damage.
Spit Acid (Recharge 4–6). Tecuziztecatl exhales acid in a 30-foot line that is 5 feet wide. Each creature in that line must make a DC 13 Dexterity saving throw, taking 18 (4d8) acid damage on a failed save, or half as much damage on a successful one.
TftYP, p. 245