Chapter 1577: "Must Die!"
Actually, thinking about it carefully, this seemed only natural.
Regardless of the type of mana furnace, there were small, medium, and large varieties.
Small mana furnaces were generally installed in Magic Gear Alchemy to assist with combat and the use of tools.
Medium mana furnaces were generally used for research, work, and the operation of facilities, devices, and instruments. They were even used in daily life, such as heating large baths or cooling cold-storage facilities, so they had countless applications.
As for large mana furnaces, they were only used for enormous facilities such as Floating Cities or artificial floating islands. They served as the power source for Floating Cities, regulated temperature and climate, or deployed antiaircraft barriers—in short, they were needed only for extremely large-scale operations.
For the same reason, Shrinking Mana Furnaces were also divided into small, medium, and large sizes according to their scale, each used in different fields. Only Luo Zhen's Mana Refinery gathered an astonishing variety of mana furnaces in such quantities that, let alone powering a Floating City, they would have been sufficient to power an entire continent.
The same applied to High-Grade Mana Furnaces.
In the past, Luo Zhen had provided three large High-Grade Mana Furnaces each to Vivel and Mistgun. The other Floating Cities had each received one large and two medium High-Grade Mana Furnaces, which served as the ultimate trump cards of the various Floating Cities.
However, Luo Zhen had never provided anyone with a small High-Grade Mana Furnace.
Everyone assumed that Luo Zhen had yet to complete the production of a small High-Grade Mana Furnace. Although small mana furnaces were not large in scale, they had to be exceptionally precise, delicate, and intricate, making them even more difficult to produce than medium and large mana furnaces.
It