C110 He Passed the Test for No Reason

Just how formidable was this force?

Consider that the stone array's capabilities were entirely defensive in nature! Take the 'Guardian (x4)' effect, for instance—it required the might of a Platinum-level force to even slightly damage it, and such damage had to be continuous.

(1) corresponds to the Bronze era, (2) to the Silver era, (3) to the Gold era, and (4) to the Platinum era, and so on