Mud_1

Shia hurriedly chased after it.

At the same time, she spread open her palm and conjured a spell.

Whoosh—

An invisible, shapeless orb of air headed towards the colorful black sludge, moving slowly yet containing immense power.

Mistral's Void Burst Spell!

Bang—

As soon as the air orb touched the doorframe, the entire area exploded, blasting a large hole through the wall. Chunks of rubble flew, some embedding themselves in the opposite wall.

A part of the air orb made contact with the end of the sludge, instantly turning that portion into fragments scattering across the sky.

But most of the sludge had already escaped from Cui Siter's Detective Office.

Shia raised her hand to cast again, but the sludge flowed into the floor and quickly disappeared without a trace.

The residual colorful black mucus also came to an abrupt halt, as if its owner had suddenly vanished from the world.

Shia remained on guard and used a Detection Spell.

"Gone?"