When you give a mob a potion effect, be it from a splash potion, commands, or otherwise, it doesn't show them as invisible and they can still be seen. It works fine on players. <img width="1099" height="640" alt="Image" src="https://github.com/user-attachments/assets/07d6c70d-1e0b-4adc-b2f1-07fd587748aa" />