Basteeow Ventohzo takes place in 1914 during the early stages of the Vegan Campaign. After struggling to break through the heavily fortified defenses of Murus Plateau, Antares is forced to rethink its approach. Instead of continuing their assault at the plateau, they search for another way to break the deadlock. This leads them to a weaker point along the coast. From there, the goal is to open a new front and defeat Vega.
In this new offensive, they will face a key defensive position, an old Gr