Perceiving the Dimension World is the most fundamental and crucial step for a Secret Mage. After all, if one can't even perceive the Dimension World, how could they possibly borrow its power?
However, to say he couldn't sense it wasn't entirely accurate. More precisely, Isaac couldn't sense his own Dimension World using the methods of a Secret Mage. Strictly speaking, what he currently possessed could only be called a Dimension Space at best.
Under normal circumstances, he had no problem sensing his own creation, but using a Secret Mage's methods...
That was a bit of a problem...
Connecting to the Dimension World using a Secret Mage's methods was the most basic requirement. It was tantamount to an official sanction, the only way to legitimately use the Dimension World's Magic Power without being rejected by the Real World.
