Black Drak

Amphibious. The Black Drak can breathe air and water.

Root Climber: Not as fast as their green counterparts from the upper layers of the Onauru Trees, the Black Drak can still climb at an impressive speed. Their climbing base speed is 20.

Pack Tactics. The Drak has advantage on attack rolls against a creature if at least one of the draks allies is within 5 feet of the creature and the ally isn't incapacitated.

Mountable: A Drak is usable as a mount. The Drak can't climb or swim while being mounted, but one can hold onto the drak while he swims, when wearing no armor heavier than padded leather.  Under these circumstanes his swimming speed is reduced by five for each person holding onto him like this.

Luminescent: Originally a courtship behaviour, the Drak can light up the luminescent end points of the scales on his back to produce an area of dim light with a 20 feet radius.

Bite. Melee Weapon Attack:  +3 + Proficiency Modifier (2) to hit, reach 5 ft., one target. Hit:  6  (1d6 + 3) piercing damage,+ 4 (1d6) Acid Damage

Tail. Melee Weapon Attack: +3 + Proficiency  Modifier (2) to hit, reach 5 ft., one target. Hit: 6 (1d6 + 3) bludgeoning damage.The Drak can decide to trip the enemy.  If the target is a creature, it must succeed on a (DC 11 + Proficiency Modifier (2)) Strength saving throw or be knocked prone.

Caustic Spit: Recharge 5-6  Melee Weapon Attack: +3 + Proficiency Modifier (2)  to hit, reach 5 ft., one target.Hit: 1d4 Acid Damage, the target must make a  (DC 11 + Proficiency modifier(2)) Dexterity saving throw. On a success the target takes half damage, on a fail, it is blinded. The target can repeat the saving throw at the end of each following turn to get rid of the blinded condition.