The Third Division Armament Expansion Kit contains a set of additional Trooper Cards to boost the player's ranks. This pack of 8 Legendary Troopers and 15 Epic Troopers includes, among others, "Yakuza: Like a Dragon" Ichiban Kasuga and Omelette.

In addition to the Trooper Cards, consumable items to level up your troops and high-value goods are included.

The Third Division Armament Expansion Kit contains:
- Legendary Trooper: Kasuga Ichinojo
- Legendary Trooper: Nishitani Shigeharu
- Legendary Trooper: Mukoda Sae
- Legendary Trooper: Makimura Mako
- Legendary Trooper: Toranosuke
- Legendary Trooper: Yama-goroshi
- Legendary Trooper: Karaage
- Legendary Trooper: Mamezo
- Epic Trooper: Attack Instructor x3
- Epic Trooper: Defense Instructor x3
- Epic Trooper: Medical Instructor x3