In ‘Prince Caspian’, Mr. Tumnus faces a dire situation due to the changes that have taken place in Narnia since the Pevensie children last visited. After the events of ‘The Lion, the Witch and the Wardrobe’, when the White Witch was defeated, Mr. Tumnus the faun is initially unaware of the new dangers lurking in Narnia.
When the Pevensies return to Narnia, they learn that during their absence, the land has been conquered by the Telmarines, and many of Narnia’s magical creatures, including Mr. Tumnus, have been persecuted. In his encounter with the Telmarines, Tumnus is captured after being reported for harboring the Pevensies, who are now seen as a threat to the Telmarine rule.
His fate is a mixture of bravery and sadness; Tumnus, who once welcomed Lucy into Narnia, now finds himself imprisoned and tortured, but his spirit remains unbroken. The Pevensies are determined to rescue Tumnus and restore Narnia to its former glory. His capture serves as a symbol of the struggle between the old magic of Narnia and the oppressive regime of the Telmarines.
Ultimately, Mr. Tumnus represents both the loss of innocence in Narnia and the enduring hope for its restoration as the Pevensies and their allies work to free him and liberate the land.