For others, taking even a single step in the dao realm took thousands of years, let alone just a few decades. The fact she had cleared almost 9 complete meridians in just 20 years was impressive beyond belief even if the Energy Core was by her side.
Back when Dyon had the Energy Core with him, he too was forced to use it sparingly. At its peak, the Energy Core was able to snatch the energy of an entire universe in a split second. Theoretically, with such speed, one could enter the Higher Existence Realm in one fell swoop.
The issue is the limitation of one's meridians. The body simply couldn't handle such quick qi absorption. This was the crux of the issue.
"Take it." Granny Celest pushed the treasure into Dyon's hands. "You're already as powerful as I am now. If you enter the middle dao realms, your strength will be beyond mine. Use it to strengthen yourself before the Ancient Battlefield descends. We, the Celestial Beasts, will be relying on you…"