Certainly! Here's an artifact that could alert Aiden to the presence of witches:
### **Witch Detection Amulet**
**Description:** This amulet is a pendant with a gemstone or rune that glows in the presence of witches. The amulet's design can vary but often includes symbols associated with magic detection.
**Function:**
- **Detection:** The amulet emits a soft glow or vibrates when a witch is within a certain radius. The intensity of the glow or vibration can indicate the proximity of the witch.
- **Direction:** It can point or provide a directional cue, helping Aiden locate the exact direction of the witch.
- **Range:** The range can vary from a few meters to several kilometers, depending on the artifact's power and enchantment.
- **Alert Mechanism:** In addition to glowing or vibrating, the amulet may produce a sound or display a visual indicator, such as a small holographic image or rune, to signal the presence of a witch.
**Usage:**
