The enemy whistle is a fan, interstellar, and comes from the author's personal xp. Any similarity is purely coincidental.
The spiritual body of Xiaobai (sentinel) is a white lion, and the spiritual body of Xiao Enemy (guide) is a golden eagle.
. Basic Concepts**
- **Sentinel**
A combat character with extremely enhanced five senses (vision, hearing, etc.). He has excellent physical fitness but is prone to losing control due to sensory overload. He needs a guide to help stabilize his mind.
- **Guide**
An auxiliary character with strong mental power, who can sense other people's emotions, build mental barriers, and even enter other people's consciousness ("mental picture") to help sentinels adjust their states.
**Manifestation**
In some settings, the whistle will materialize into a spiritual body in the form of an animal (such as a wolf or an eagle), reflecting its character or state.
The explanation comes from ds summary
Mission: Work together to overcome difficulties