As the base gradually stabilized, Su Yao realized they couldn't remain confined to this small world. They needed more resources to cope with the increasingly severe high-temperature apocalypse and the various crises that might arise. Therefore, she decided to lead Ling Yu and several agile companions out to explore, searching for more useful supplies and unknown technological relics.

Before setting off, Su Yao carefully planned her exploration route, trying to avoid known dangerous areas and strongholds of other forces. She entrusted the base's defense to her parents and instructed them to activate the emergency plan in case of any emergency.

They walked along the dry riverbed, the sun blazing and the heat unbearable. Su Yao activated the system's environmental monitoring function, constantly watching for changes in temperature and energy fluctuations in the surrounding area. When they reached an abandoned industrial area, the system suddenly issued a warning: "Strong energy reaction detected ahead, suspected to be an undiscovered technological treasure, but dangerous creatures are guarding the area."

Su Yao's eyes lit up. A treasure trove meant a chance to acquire powerful equipment or precious resources. "Everyone be careful, prepare for battle," she whispered, gripping her spatial ability weapon tightly.

As soon as they stepped into the city, a putrid stench assaulted their nostrils. Immediately afterward, a swarm of enormous, spider-like, high-temperature spider beasts surged forth from all directions. These beasts were covered in hard carapaces that gleamed with a metallic sheen under the intense heat; their eyes emitted an eerie red glow, and they continuously spewed corrosive spider silk from their mouths.

Ling Yu struck first, wielding his ice sword and unleashing his ice-based powers. Ice blades shot towards the horde of spider beasts, instantly freezing the first few at the front. However, the spider beasts were numerous and quickly broke through the ice blade blockade, continuing their charge.

Su Yao waved her hands, and spatial rifts appeared among the spider beast swarm, engulfing some of them. However, the spider beasts reacted extremely quickly, using their silk to rapidly climb the surrounding buildings, avoiding the spatial rifts, and launching an attack on Su Yao and the others from the air.

Su Yao's companions were not to be outdone; some used flamethrowers, while others engaged in a fierce battle with the spider beasts using homemade energy guns. In an instant, flames soared into the sky over the city, the glow of supernatural powers mingling with the sounds of weapons firing.

During the fierce battle, Su Yao discovered that the spider beasts' attacks seemed to follow a certain pattern: they would always send a few weaker spider beasts to probe first, and then send out the powerful mother to deliver the fatal blow. "Concentrate firepower, eliminate those small spider beasts first, and lure out the mother!" Su Yao shouted.

Upon hearing this, everyone changed their tactics. They cooperated with each other, eliminating the smaller spider beasts one by one. As the number of smaller spider beasts decreased, a gigantic spider beast mother, as large as a house, slowly appeared. The mother's carapace was even harder, and the red light shooting from her eyes seemed to penetrate one's soul.

Su Yao took a deep breath, maximizing her spatial abilities, and transformed into a streak of light as she rushed towards the Spider Beast Mother. Upon approaching, she created a massive spatial vortex, attempting to trap it. Sensing the danger, the Spider Beast Mother spewed a powerful, corrosive liquid from its mouth towards the spatial vortex.

The spatial vortex collided with the corrosive liquid, emitting a hissing sound. Su Yao gritted her teeth and persevered, veins bulging on her forehead. Seeing this, Ling Yu quickly rushed to Su Yao's side, injecting his ice-type ability into the spatial vortex to enhance its stability.

With their combined efforts, the spider beast mother was finally trapped firmly in the spatial vortex. Su Yao's companions seized the opportunity and attacked the mother with all their might using various weapons. After a fierce battle, the spider beast mother collapsed with a crash, raising a cloud of dust.

The group was panting heavily, exhausted, but they knew the battle was far from over. Following the system's guidance, Su Yao found a hidden technology warehouse underground in the city. The warehouse was filled with various advanced technological equipment, weapons and ammunition, as well as some precious energy crystals.

"This has been a very fruitful trip; these supplies are enough to upgrade our base's strength," Su Yao said with satisfaction. They packed all the supplies they could carry into their spatial backpacks and then quickly returned to the base.

Back at base, Su Yao allocated the newly acquired resources wisely. Part of the funds were used to upgrade the base's defense system and climate control devices, while the remainder was used to research new technological weapons and enhance everyone's abilities. Through this exploration and expansion, they not only strengthened themselves but also gained more leverage for survival in the high-temperature apocalypse. Su Yao also began planning their next long journey to explore more secrets and hopes of the post-apocalyptic world.