The forty-odd days of idle time left Wei Wuyin the opportunity to inquire about a wide range of topics. Unfortunately, besides certain aspects of cultivation, the Heavenly War Spirit's knowledge was very erratic. Her memories and knowledge were partially sealed, and while she knew things far beyond most, she was still in her development stage, and only bits and pieces awakened by specific stimuli could be properly recalled.
This restriction was due to its egg-like state, and the core reason she was nestled in Wei Wuyin's Sea of Consciousness, siphoning off his mental energies, was to further expand what she could remember and communicate. Perhaps it was a purposeful design by its creator or simply a flaw in its creation, but this was the unfortunate reality of its existence.