This DLC is themed around Fire Emblem Awakening.

New Playable Characters:
Owain, Tharja, and Olivia.

Three new History Mode maps, each retelling a story from the Fire Emblem franchise.

New Costumes:
Chrom, Exalt; Lissa, Sage; and Cordelia, Dark Flier.

New Weapons:
Robin, Thoron; Lissa, Lissa's Axe; Frederick, Frederick's Axe; Cordelia, Cordelia's Lance; Owain, Missiletainn; Tharja, Tharja's Hex; and Olivia, Olivia's Blade.

Broken-Armor Models:
Chrom, Robin, Lissa, Frederick, Cordelia, Lucina, Owain, Tharja, and Olivia.

More details on the official game page of Fire Emblem Awakening DLC Pack ...