Wait a sec I thought he also had a option to upgrade to the future
Ezura4 years ago
He already did, hence how he got the tanks.
KumaReader9 months ago
There was only ever one upgrade path, edo to modern, which he did during the battle. he could purchase modern stuff in the edo era, but the costs were higher. He purchased 9 tanks when he upgraded to the modern era, and those 9 costs less than the one tank he purchased in the edo era.
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