Prodono Battlecruisers for the Nexus Arcana SciFi novel series

Concept art for all three major types of Prodono Newel Xergis class warships.
The Type-180140 is first introduced in book 1 of Nexus Arcana:
https://www.amazon.com/dp/B01HH775W4#nav-subnav

The Type-170010 is first introduced in Book 6 (not yet published). This particular one is the Hero ship from book 6.
The Type-228160 is also first introduced in Book 6.