Increase one ability score by 2 and increase a different one by 1, or increase three different ability scores by 1.

The tzinacan lives approximately the same as humans which is impressive in its common environment.

Tzinacan range from under 5 to over 6 feet. Your size is Medium.

Your base walking speed is 30 feet.

You can speak, read, and write Common and Undercommon.

You have disadvantage on attack rolls and Wisdom (Perception) checks that rely on sight when you, the target of the attack, or whatever you are trying to perceive is in direct sunlight.

You have adapted to survive without relying on other senses. You have advantage on Wisdom (Perception) checks on hear and, as a bonus action, you gain blindsight within 20 feet until the end of your next turn.

Once per long rest, you can cast Thunderwave spell at level 1 with your Constitution modifier. When your tzinacan reaches level 3 the spell is cast one level above and at level 5 another one.

Your fanged bite is a natural weapon, which counts as a simple melee weapon with which you are proficient. You add your Constitution modifier, instead of your Strength modifier, to the attack and damage rolls when you attack with this bite. It deals 1d4 piercing damage on a hit. When you attack with this bite and hit a creature that isn’t a Construct or an Undead, you regain hit points equal to the piercing damage dealt by the bite. You can empower yourself with this bite a number of times equal to your proficiency bonus, and you regain all expended uses when you finish a long rest.