Lin Luoran blinks her eyes. Staying in the alloy wall feels like getting stuck in the mud. It's very uncomfortable.

Taking another breath, she merges with the wall again.

The matte silver wall goes back to normal without even a scratch. The winding aisle outside the warehouse is empty. Lin Luoran strolls in the wall, passing through several alloy walls. An arsenal stands in front of her.

Some equipment requires so much scientific knowledge that she ...