Bite

_Melee Weapon Attack:_ +6 to hit, reach 5 ft., one target. _Hit:_ 9 (2d4+4) piercing damage plus 3 (1d6) acid damage.

Acid Spit

_Ranged Weapon Attack:_ +6 to hit, range 20/60 ft., one target. _Hit:_ 11 (2d6+4) acid damage.

Breath of Flinders (Recharge 5-6)

The flinderbeast exhales splinters in a 15-foot cone. Each creature in that area must make a DC 14 DEX save, taking 18 (4d8) piercing damage on a failed save, or half as much damage on a successful one.