Noun:
* The lion's fierce was evident in its powerful roar and sharp claws. (Here, "fierce" refers to the lion's intense and aggressive nature.)
* The warrior's fierce was legendary, striking fear into the hearts of his enemies. (Here, "fierce" refers to the warrior's reputation for being aggressive and formidable.)
Verb:
* The team fierced its way through the competition, determined to win the championship. (Here, "fierced" means to aggressively and determinedly push forward.)
* The storm fierced across the land, tearing down trees and flooding rivers. (Here, "fierced" means to move with intense force and speed.)
Note: While "fierce" is primarily used as an adjective, its use as a noun and verb is less common and might sound slightly archaic or poetic.