From the announcement:
The Viridian play an important role in the Watchers.
The wise Viridian Alpha deploys with the Chigoe and Locust in battle as the powerful Viridian Clade to strike at the enemies of the Watchers.
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Viridian Clade Available To Pre-order For Wild West Exodus
A new posse is making its way to the dusty and outlaw-filled streets of the old West. They're like nothing that your standard cow-poke has ever seen before. They're the Viridian Clade, and if you want to be the fasted gun in the West and have yours before anyone else, you'll want to get your name down on the list. Pre-orders are available now.
From the announcement:
Source
From the announcement:
Source