Of course, not all time materials could be refined into an Immortal Artifact like the Time Gourd, nor could all spatial materials be used to refine Spatial Immortal Artifacts. To refine Immortal Artifacts like the Time Gourd and Cosmos Vase, one needed other rare materials besides time materials.
Wang Qingfeng had obtained a piece of Immortal Binding Stone in the Cosmos Ruins, which could be used to refine an Immortal Island. An Immortal Island was of a higher grade than an Immortal Warship.
The core of an Immortal Warship was spatial material, while an Immortal Island required various rare materials, including spatial materials, time materials, and binding materials. Though an Immortal Island was called an island, it was actually no different from a city and could also be called an Immortal City.
Cities of the Heaven, Earth, Black, and Yellow grades could basically not move and remained in fixed locations, while Immortal Cities could move and even teleport to a specific place, making it convenient to provide support or flee.
The Immortal Realm was home to countless races. The Demon Race had the greatest overall strength and controlled four Immortal Cities, while the Human Race and Witch Race controlled three Immortal Cities between them. The seven Immortal Cities could support one another, and their offensive and defensive power far surpassed that of Celestial Cities.
Immortal Warships were divided into the Heaven, Earth, Black, and Yellow grades. Immortal Islands also had grades, which could be improved. Aside from requiring large quantities of rare materials, their grade was also closely related to the Artifact Refining skills of the Immortal Artifact Craftsman.
Wang Changsheng came before the Dao Soldier Tree and dripped some Creation Jade Dew onto its trunk. The Dao Soldier Tree rapidly absorbed the Creation Jade Dew and grew Spirit Beans,