Opening a gate between the outside and inside world wasn't difficult. The twins had done it countless times in the past. It's just that, usually, there was no need for such things. They could simply teleport inside the Dimensional Realm and teleport others around them there, too.
Unfortunately, teleporting others required their cooperation, which Diliy obviously wouldn't offer. So... the gate to the Celestial Soul Dimensional Realm opened again after so many years. All Rean's group had to do was make sure Diliy's attention was 100% on them.
Diliy couldn't fight against the inertia, ultimately only stopping when he was already inside the Dimensional Realm. He quickly tried to come out, but it was too late. The gate closed, and he was trapped inside. Without another choice, he immediately squeezed the Spiritual Energy in his Dantian, trying to self-destruct!
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...
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Unfortunately for him, nothing happened. "What is happening here?!"
