Akhelian Morrsarr Guard

Amphibious. Akhelian Morrsarr Guard can breathe air and water

Mobile. If Akhelian Morrsarr Guard has made a melee attack against a creature, Akhelian Morrsarr Guard don't provoke opportunity attacks from that creature for the rest of the turn, whether it hit or not.

Magical Attacks. Attacks made by Akhelian Morrsarr Guard are magical

Biovoltaic Blast. If Akhelian Morrsarr Guard has moved 45 ft in a straight line directly towards the target of it's next attack, add 2d6 lightning damage to the next attack if it hits. 

Multiattack. Akhelian Morrsarr Guard makes two attacks, one with Voltspear and one with Fangs.

Voltspear. Melee Weapon Attack: +9 to hit, reach 10 ft., one target. Hit: 18 (2d6 + 4) piercing damage + (2d6) lightning damage.

Fangs. Melee Weapon Attack: +9 to hit, reach 5 ft., one target. Hit: 9 (2d4 + 4) piercing damage.