I hope it's okay to post this, I haven't seen anything about it yet.
So far exclusive to EB Games Australia
There's another version*that is slightly cheaper and*includes the standard copy of the game instead of the Ultimate. I*would really like to get my hands on that*Steelbook for NA.
Halo Wars 2 Ultimate Atriox Edition includes:
Halo Wars 2 Ultimate Edition Game which includes:
Early access to the full game
Halo Wars 2 Season Pass download code
Halo Wars: Definitive Edition download code
Atroix Pack DLC
Shipmaster Pack DLC
Steelbook
2 Exclusive Pins