Armor Class 16 (natural armor, intellect fortress)
Hit Points 52 (7d8 + 21)
Speed 30 ft., swim 30 ft.
Saving Throws CON +5, INT +4
Skills Arcana +4, Perception +4, Stealth +3, Survival +4
Damage Resistances necrotic
Senses passive Perception 14
Languages Draconic
Challenge 3
Hold Breath. The ssurran can hold its breath for 15 minutes.
Intellect Fortress. The ssurran's AC includes its Intelligence modifier.
Multiattack. The ssurran makes two Claw attacks and uses Defile (if available).
Claw. Melee Weapon Attack: +3 to hit, reach 5 ft., one target. Hit: 4 (1d6 + 1) slashing damage plus 4 (1d8) necrotic damage.
Defile (Recharge 5–6). Ordinary vegetation within 10 feet of the ssurran withers and dies. In addition, each creature within 10 feet of the ssurran must make a DC 11 Constitution saving throw, taking 22 (4d10) necrotic damage on a failed save, or half as much damage on a successful one. The ssurran regains 5 (1d10) hit points for each creature that fails the saving throw.
BAM, p. 58