Reaching Straight to the Core

Of course, "he" could very well be an illusion, a puppet, or something else. However, it was essentially all the same—perhaps Sky City had already suffered the infiltration of the Oracles a very long time ago.

"That is a fortress that contains tens of thousands of people…" Rock murmured. With the means of an Oracle, destroying anything wasn't difficult; after all, they were able to tear open rifts and create Erosion. But to complete an infiltration under the noses of tens of thousands of people and ultimately not be detected made them unfathomable.

"I'm also wishing that I've made a mistake, but this is the most reasonable conclusion." Roland sighed.

The Dream World had its relatively unique laws; thus, preventing Oracles from fully expressing their strength. Whatever they wanted to do required the support of magic power.

And the only places with a relatively large store of Fallen Evil cores were Prism City and Sky City.