The human soldiers were lucky that they had brought enough energy crystals with them; otherwise, the casters would never have enough energy to deal with this many Zergs.
Lie Jian surveyed the area, and he knew that going out of the building was suicidal. The building was sturdy, and it would hold. He didn't just pick any building as a shelter; he knew this building well. This place used to be called the Torch of Antonio, and its bones were made out of a new metal called adamantium. It used to be a signal tower during the war, and it had become a tourist attraction during peacetime. It's sturdy shape and structure had left Lie Jian a deep impression years ago. Even after much modifications of the Zergs, he was able to recognize the structure with ease.