Cool.

Also here's some art I found on the Stellaris wiki that might give a better indication of Fallen Empire/Ascended Empire (mod term and concept) ship sizes.

[img]https://stellaris.paradoxwikis.com/images/6/6b/Enigmatic_Observers.png[/img]

Finishing of an Enigmatic Battlecruiser.

&

[img]https://stellaris.paradoxwikis.com/images/9/94/Evt_fallen_empire_awakens.png[/img]

Enigmatic Observers fleet.