Final answer:
Radulf is able to talk to Nic in his head when he is experiencing hallucinations or delusions.
Step-by-step explanation:
In moments of hallucinations or delusions, Radulf exhibits a unique ability to communicate with Nic through telepathy, a mysterious connection transcending the tangible world. This extraordinary mental dialogue becomes a conduit for shared experiences and emotions, forging a profound link between the characters.
Radulf's capability to converse with Nic within the realms of his mind adds a layer of complexity to their relationship, blurring the lines between reality and the supernatural. This intriguing dynamic enhances the narrative, offering glimpses into a realm beyond the visible, where the characters navigate a shared consciousness, deepening their connection amidst the surreal landscapes of hallucination and delusion.