"Army slots" are the bottom 3 slots in each build. They are awarded from successful dungeon completions and every leader has a distinct pool of options. Each slot can be changed after unlocking by spending Arclight Energy.
Summary
Wield the shadows and strike like the wind.
Leader Ability
Master Assassin
Maiev's cost is reduced by 1 foreach troop you play.
Traits
Stealth
Unbound
Melee
AoE
Possible Army Slots
Talents
Enveloping Shadows
Cast Smoke Bomb on deploy, Stealthing nearby allies.
Shadowstep
Periodically teleport to a Ranged attacker when hit.
Remorseless
Deal double damage for 2 seconds after killing an enemy.
Recommended Build