The storm of lightning bolts released a threatening amount of power that forced the entire group to retreat. Each of those attacks carried enough energy to inflict severe injuries to the experts, but the environment worked in their favor in that situation.
The separate space was too frail to hold the full power of a rank 9 creature. It didn't matter how weak the jellyfish was. It was still too strong for an area that was approaching the critical point.
The lightning bolts shot everywhere in the area, and many of them chased after the escaping experts, but cracks appeared on their path and eventually made them fall into the void.
The attacks were so powerful that they would pierce the separate space before reaching the experts. Noah and the others only needed to fly away for a few seconds before the entire offensive vanished and the area shrunk by a lot.
"I made him angry," Alexander exclaimed while giving voice to a playful laugh.