It is a Bug? (Heal Ray)

KoGaMa Profile: www.kogama.com/profile/17104811/
Web Browser: Firefox
Client: Standalone
AboutMyBrowser.com Link: aboutmybrowser.com/ytYAc1aF

Steps to Reproduce
1. Go to game or project
2. Get Heal Ray
3. Jump from high place
4. You fall very slow and you don't get dimage

Additional Information (Optional)
Link to screen shot: prnt.sc/iuw255