Military Unit. For every 60 hit points lost by the Bikontarcon of Aeillan Bannermen, it becomes capable of one fewer attack if it uses multiattack. 

Morale. For every 60 hit points by the Bikontarcon of Aeillan Bannermen, make a morale save against charisma (DC 12), it it fails the save, it becomes demoralized, and must, if possible use either a disengage or dash action to attempt to flee from the battlefield. If it has 55 or fewer hitpoints, or it is demoralized when it fails a charisma save the Bikontarcon is destroyed. If the unit is demoralized it may attempt a DC 15 charisma save. If it succeeds, the it loses demoralized and may act normally. 

Martial Discipline. Due to the highly disciplined nature of the Aeillan Bannermen, it has advantage on morale saves as long as it has half or more of its hit points.

Shieldwall Formation. The Bikontarcon of Aeillan Bannermen may, if it has 120 or more hit points sacrifice its movement for the turn, forming a shieldwall. If it does this it gains a +2 to its AC, and loses its vulnerability to damage caused by area attacks. 

Tightly Packed. Due to the high density of the Bikontarcon, it has disadvantage on all saving throws against area attacks, and is vulnerable to damage caused by area attacks as long as it has 120 or more of its hit points. 

Aeillan Infantry Drill. As long as the Bikontarcon of Aeillan Bannermen has at least 120 hit points, it adds +2 to its proficiency modifier to attack rolls, and skill checks. Additionally, the Bikontarcon of Aeillan Bannermen, may, once per round add an additional 26 (4d8 + 8) damage to a successful attack of a kind used by the attack itself. 

Multiattack. The Bikontarcon of Aeillan Bannermen, make four attacks with their war hammers, or four with their Javelins. 

Warhammer. Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 33 (5d8 + 10) bludgeoning damage. 

Javelin. Melee or Ranged Weapon Attack: +4 to hit, reach 5 ft. or range 30/120 ft., one target. Hit: 28 (5d6 + 10) piercing damage.