Black Sun Mercenary (Axeman)

Band of Brothers. Black Sun Mercenary axemen are trained to fight in a group. They understand battle tactics and formations. If there are 2 or more Axeman within 30 ft of each other they will receive a +1 to all attack roll and saving throws

Battleaxe. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 12 (2d8 + 3) slashing damage, or 14 (2d10 + 3) slashing damage if used with two

Battlefield Awareness. Enemies within 40ft get a disadvantage to stealth when trying to hide from Black Sun Mercenaries. 

Phalanx Formation. When there are 3 or more mercenaries in their signature phalanx formation all enemies get a -2 to hit with melee and ranged weapons.