"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.
A cunning and ruthless strategist.
Banner of Flame
Nearby enemies take 50% more damage.
Eats Ragnar'Os for breakfast.
Grants nearby allies the Resistant trait.
Attacks pierce through enemies in a line.
On death, drop a banner. Nearby enemies take 50% additional Elemental damage. Lasts 10 seconds.